A265710 - cp's OEIS frontend

A265710 a(n) = denominator of Sum_{d|n} 1/sigma(d).

n	a(n)
1	1
2	3
3	4
4	21
5	6
6	3
7	8
8	35
9	52
10	9
11	12
12	84
13	14
14	2
15	24
16	1085
17	18
18	13
19	20
20	18
21	32
22	9
23	24
24	14
25	186
26	7
27	520
28	56
29	30
30	18
31	32
32	9765
33	48
34	27
35	16
36	364
37	38
38	5
39	56
40	5
41	42
42	8
43	44
44	252
45	104
46	18
47	48
48	868
49	456
50	279
51	72
52	98
53	54
54	390
55	72
56	140
57	16
58	45
59	60
60	72
61	62
62	8
63	416
64	1240155

[1, 3, 4, 21, 6, 3, 8, 35, 52, 9, 12, 84, 14, 2, 24, 1085, 18, 13, 20, 18, 32, 9, 24, 14, 186, 7, 520, 56, 30, 18, 32, 9765, 48, 27, 16, 364, 38, 5, 56, 5, 42, 8, 44, 252, 104, 18, 48, 868, 456, 279, 72, 98, 54, 390, 72, 140, 16, 45, 60, 72, 62, 8, 416, 1240155]

cp's OEIS Frontend

A265710 a(n) = denominator of Sum_{d|n} 1/sigma(d).

Table of values

List of values