A336846 - cp's OEIS frontend

A336846 a(n) = gcd(sigma(A003961(n)), A000005(n)*A003961(n)).

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

[1, 2, 2, 1, 2, 12, 2, 4, 1, 4, 2, 6, 2, 12, 4, 1, 2, 2, 2, 2, 4, 4, 2, 120, 3, 12, 4, 6, 2, 24, 2, 2, 4, 4, 4, 1, 2, 12, 4, 8, 2, 24, 2, 26, 2, 12, 2, 6, 1, 6, 20, 18, 2, 24, 28, 24, 4, 4, 2, 12, 2, 4, 6, 1, 4, 24, 2, 2, 20, 24, 2, 20, 2, 12, 6, 6, 4, 24, 2, 2, 1, 4, 2, 36, 4, 12, 4, 8, 2, 4, 4, 6, 4, 12, 4, 12, 2, 2, 2, 3]

cp's OEIS Frontend

A336846 a(n) = gcd(sigma(A003961(n)), A000005(n)*A003961(n)).

Table of values

List of values

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

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

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