A206787 - cp's OEIS frontend

A206787 Sum of the odd squarefree divisors of n.

n	a(n)
1	1
2	1
3	4
4	1
5	6
6	4
7	8
8	1
9	4
10	6
11	12
12	4
13	14
14	8
15	24
16	1
17	18
18	4
19	20
20	6
21	32
22	12
23	24
24	4
25	6
26	14
27	4
28	8
29	30
30	24
31	32
32	1
33	48
34	18
35	48
36	4
37	38
38	20
39	56
40	6
41	42
42	32
43	44
44	12
45	24
46	24
47	48
48	4
49	8
50	6
51	72
52	14
53	54
54	4
55	72
56	8
57	80
58	30
59	60
60	24
61	62
62	32
63	32
64	1
65	84
66	48
67	68
68	18
69	96
70	48
71	72
72	4

[1, 1, 4, 1, 6, 4, 8, 1, 4, 6, 12, 4, 14, 8, 24, 1, 18, 4, 20, 6, 32, 12, 24, 4, 6, 14, 4, 8, 30, 24, 32, 1, 48, 18, 48, 4, 38, 20, 56, 6, 42, 32, 44, 12, 24, 24, 48, 4, 8, 6, 72, 14, 54, 4, 72, 8, 80, 30, 60, 24, 62, 32, 32, 1, 84, 48, 68, 18, 96, 48, 72, 4]

cp's OEIS Frontend

A206787 Sum of the odd squarefree divisors of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	4
4	1
5	6
6	4
7	8
8	1
9	4
10	6
11	12
12	4
13	14
14	8
15	24
16	1
17	18
18	4
19	20
20	6
21	32
22	12
23	24
24	4
25	6
26	14
27	4
28	8
29	30
30	24
31	32
32	1
33	48
34	18
35	48
36	4
37	38
38	20
39	56
40	6
41	42
42	32
43	44
44	12
45	24
46	24
47	48
48	4
49	8
50	6
51	72
52	14
53	54
54	4
55	72
56	8
57	80
58	30
59	60
60	24
61	62
62	32
63	32
64	1
65	84
66	48
67	68
68	18
69	96
70	48
71	72
72	4

n	a(n)
1	1
2	1
3	4
4	1
5	6
6	4
7	8
8	1
9	4
10	6
11	12
12	4
13	14
14	8
15	24
16	1
17	18
18	4
19	20
20	6
21	32
22	12
23	24
24	4
25	6
26	14
27	4
28	8
29	30
30	24
31	32
32	1
33	48
34	18
35	48
36	4
37	38
38	20
39	56
40	6
41	42
42	32
43	44
44	12
45	24
46	24
47	48
48	4
49	8
50	6
51	72
52	14
53	54
54	4
55	72
56	8
57	80
58	30
59	60
60	24
61	62
62	32
63	32
64	1
65	84
66	48
67	68
68	18
69	96
70	48
71	72
72	4

n	a(n)
1	1
2	1
3	4
4	1
5	6
6	4
7	8
8	1
9	4
10	6
11	12
12	4
13	14
14	8
15	24
16	1
17	18
18	4
19	20
20	6
21	32
22	12
23	24
24	4
25	6
26	14
27	4
28	8
29	30
30	24
31	32
32	1
33	48
34	18
35	48
36	4
37	38
38	20
39	56
40	6
41	42
42	32
43	44
44	12
45	24
46	24
47	48
48	4
49	8
50	6
51	72
52	14
53	54
54	4
55	72
56	8
57	80
58	30
59	60
60	24
61	62
62	32
63	32
64	1
65	84
66	48
67	68
68	18
69	96
70	48
71	72
72	4