A322656 - cp's OEIS frontend

A322656 Denominator of (Sum_{d|n} sigma(d)) / sigma(n).

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	15
9	13
10	9
11	12
12	28
13	14
14	2
15	24
16	31
17	18
18	13
19	20
20	6
21	32
22	9
23	24
24	6
25	31
26	7
27	20
28	56
29	30
30	18
31	32
32	21
33	48
34	27
35	16
36	91
37	38
38	5
39	56
40	45
41	42
42	8
43	44
44	84
45	13
46	18
47	48
48	124
49	19
50	93
51	72
52	98
53	54
54	15
55	72
56	20
57	16
58	45
59	60
60	24
61	62
62	8
63	52
64	127
65	4
66	36
67	68
68	126
69	96

[1, 3, 4, 7, 6, 3, 8, 15, 13, 9, 12, 28, 14, 2, 24, 31, 18, 13, 20, 6, 32, 9, 24, 6, 31, 7, 20, 56, 30, 18, 32, 21, 48, 27, 16, 91, 38, 5, 56, 45, 42, 8, 44, 84, 13, 18, 48, 124, 19, 93, 72, 98, 54, 15, 72, 20, 16, 45, 60, 24, 62, 8, 52, 127, 4, 36, 68, 126, 96]

cp's OEIS Frontend

A322656 Denominator of (Sum_{d|n} sigma(d)) / sigma(n).

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	15
9	13
10	9
11	12
12	28
13	14
14	2
15	24
16	31
17	18
18	13
19	20
20	6
21	32
22	9
23	24
24	6
25	31
26	7
27	20
28	56
29	30
30	18
31	32
32	21
33	48
34	27
35	16
36	91
37	38
38	5
39	56
40	45
41	42
42	8
43	44
44	84
45	13
46	18
47	48
48	124
49	19
50	93
51	72
52	98
53	54
54	15
55	72
56	20
57	16
58	45
59	60
60	24
61	62
62	8
63	52
64	127
65	4
66	36
67	68
68	126
69	96

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	15
9	13
10	9
11	12
12	28
13	14
14	2
15	24
16	31
17	18
18	13
19	20
20	6
21	32
22	9
23	24
24	6
25	31
26	7
27	20
28	56
29	30
30	18
31	32
32	21
33	48
34	27
35	16
36	91
37	38
38	5
39	56
40	45
41	42
42	8
43	44
44	84
45	13
46	18
47	48
48	124
49	19
50	93
51	72
52	98
53	54
54	15
55	72
56	20
57	16
58	45
59	60
60	24
61	62
62	8
63	52
64	127
65	4
66	36
67	68
68	126
69	96

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	15
9	13
10	9
11	12
12	28
13	14
14	2
15	24
16	31
17	18
18	13
19	20
20	6
21	32
22	9
23	24
24	6
25	31
26	7
27	20
28	56
29	30
30	18
31	32
32	21
33	48
34	27
35	16
36	91
37	38
38	5
39	56
40	45
41	42
42	8
43	44
44	84
45	13
46	18
47	48
48	124
49	19
50	93
51	72
52	98
53	54
54	15
55	72
56	20
57	16
58	45
59	60
60	24
61	62
62	8
63	52
64	127
65	4
66	36
67	68
68	126
69	96