A374126 - cp's OEIS frontend

A374126 a(n) = gcd(sigma(n), sopfr(n)), where sigma is the sum of divisors, and sopfr is the sum of prime factors with repetition.

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

[1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 7, 1, 3, 8, 1, 1, 1, 1, 3, 2, 1, 1, 3, 1, 3, 1, 1, 1, 2, 1, 1, 2, 1, 12, 1, 1, 3, 8, 1, 1, 12, 1, 3, 1, 1, 1, 1, 1, 3, 4, 1, 1, 1, 8, 1, 2, 1, 1, 12, 1, 3, 13, 1, 6, 16, 1, 21, 2, 2, 1, 3, 1, 3, 1, 1, 6, 6, 1, 1, 1, 1, 1, 14, 2, 3, 8, 1, 1, 13, 4, 3, 2, 1, 24, 1, 1, 1, 1, 7, 1, 2]

cp's OEIS Frontend

A374126 a(n) = gcd(sigma(n), sopfr(n)), where sigma is the sum of divisors, and sopfr is the sum of prime factors with repetition.

Table of values

List of values

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

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

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