A327166 - cp's OEIS frontend

A327166 Number of divisors d of n for which A000005(d)*d is equal to n, where A000005(x) gives the number of divisors of x.

n	a(n)
1	1
2	0
3	0
4	1
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	1
13	0
14	1
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	1
25	0
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	0
34	1
35	0
36	0
37	0
38	1
39	0
40	1
41	0
42	0
43	0
44	0
45	0
46	1
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	1
57	0
58	1
59	0
60	1
61	0
62	1
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	1
73	0
74	1
75	1
76	0
77	0
78	0
79	0
80	1
81	0
82	1
83	0
84	1
85	0
86	1
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	1
105	0
106	1
107	0
108	2
109	0
110	0
111	0
112	0
113	0
114	0
115	0
116	0
117	0
118	1
119	0
120	1

[1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1]

cp's OEIS Frontend

A327166 Number of divisors d of n for which A000005(d)*d is equal to n, where A000005(x) gives the number of divisors of x.

Table of values

List of values

n	a(n)
1	1
2	0
3	0
4	1
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	1
13	0
14	1
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	1
25	0
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	0
34	1
35	0
36	0
37	0
38	1
39	0
40	1
41	0
42	0
43	0
44	0
45	0
46	1
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	1
57	0
58	1
59	0
60	1
61	0
62	1
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	1
73	0
74	1
75	1
76	0
77	0
78	0
79	0
80	1
81	0
82	1
83	0
84	1
85	0
86	1
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	1
105	0
106	1
107	0
108	2
109	0
110	0
111	0
112	0
113	0
114	0
115	0
116	0
117	0
118	1
119	0
120	1

n	a(n)
1	1
2	0
3	0
4	1
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	1
13	0
14	1
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	1
25	0
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	0
34	1
35	0
36	0
37	0
38	1
39	0
40	1
41	0
42	0
43	0
44	0
45	0
46	1
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	1
57	0
58	1
59	0
60	1
61	0
62	1
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	1
73	0
74	1
75	1
76	0
77	0
78	0
79	0
80	1
81	0
82	1
83	0
84	1
85	0
86	1
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	1
105	0
106	1
107	0
108	2
109	0
110	0
111	0
112	0
113	0
114	0
115	0
116	0
117	0
118	1
119	0
120	1

n	a(n)
1	1
2	0
3	0
4	1
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	1
13	0
14	1
15	0
16	0
17	0
18	0
19	0
20	0
21	0
22	1
23	0
24	1
25	0
26	1
27	1
28	0
29	0
30	0
31	0
32	1
33	0
34	1
35	0
36	0
37	0
38	1
39	0
40	1
41	0
42	0
43	0
44	0
45	0
46	1
47	0
48	0
49	0
50	0
51	0
52	0
53	0
54	0
55	0
56	1
57	0
58	1
59	0
60	1
61	0
62	1
63	0
64	0
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	1
73	0
74	1
75	1
76	0
77	0
78	0
79	0
80	1
81	0
82	1
83	0
84	1
85	0
86	1
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	0
99	0
100	0
101	0
102	0
103	0
104	1
105	0
106	1
107	0
108	2
109	0
110	0
111	0
112	0
113	0
114	0
115	0
116	0
117	0
118	1
119	0
120	1