A048969 - cp's OEIS frontend

A048969 Composite numbers k such that sigma(k) / d(k) is prime.

n	a(n)
1	6
2	20
3	45
4	49
5	150
6	169
7	361
8	832
9	961
10	1445
11	1734
12	1849
13	5329
14	8405
15	9409
16	9477
17	10086
18	10609
19	14580
20	14641
21	16129
22	17405
23	20886
24	24649
25	25205
26	30246
27	39601
28	39605
29	47526
30	49729
31	51005
32	58081
33	61206
34	73441
35	85805
36	102966
37	139445
38	149645
39	167281
40	167334

[6, 20, 45, 49, 150, 169, 361, 832, 961, 1445, 1734, 1849, 5329, 8405, 9409, 9477, 10086, 10609, 14580, 14641, 16129, 17405, 20886, 24649, 25205, 30246, 39601, 39605, 47526, 49729, 51005, 58081, 61206, 73441, 85805, 102966, 139445, 149645, 167281, 167334]

cp's OEIS Frontend

A048969 Composite numbers k such that sigma(k) / d(k) is prime.

Table of values

List of values