A326135 - cp's OEIS frontend

A326135 a(n) = sigma(A028234(n)), where sigma is the sum of divisors of n, and A028234 gives n without any occurrence of its smallest prime factor.

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

[1, 1, 1, 1, 1, 4, 1, 1, 1, 6, 1, 4, 1, 8, 6, 1, 1, 13, 1, 6, 8, 12, 1, 4, 1, 14, 1, 8, 1, 24, 1, 1, 12, 18, 8, 13, 1, 20, 14, 6, 1, 32, 1, 12, 6, 24, 1, 4, 1, 31, 18, 14, 1, 40, 12, 8, 20, 30, 1, 24, 1, 32, 8, 1, 14, 48, 1, 18, 24, 48, 1, 13, 1, 38, 31, 20, 12, 56, 1, 6, 1, 42, 1, 32, 18, 44, 30, 12, 1, 78, 14, 24, 32, 48, 20, 4, 1]

cp's OEIS Frontend

A326135 a(n) = sigma(A028234(n)), where sigma is the sum of divisors of n, and A028234 gives n without any occurrence of its smallest prime factor.

Table of values

List of values

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

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

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