A225239 - cp's OEIS frontend

A225239 Numbers n such that there is an integer k with the property that k^tau(n) = sigma(n).

n	a(n)
1	1
2	3
3	217
4	862
5	1177
6	1207
7	1219
8	3937
9	8743
10	9481
11	13822
12	18137
13	19567
14	19849
15	20057
16	20257
17	20299
18	20437
19	33607
20	57337
21	91847
22	96217
23	100579
24	103897
25	154969
26	157921
27	158623
28	228889
29	233047
30	304117
31	324817
32	325579
33	329057
34	330529
35	537817
36	595417
37	608287

[1, 3, 217, 862, 1177, 1207, 1219, 3937, 8743, 9481, 13822, 18137, 19567, 19849, 20057, 20257, 20299, 20437, 33607, 57337, 91847, 96217, 100579, 103897, 154969, 157921, 158623, 228889, 233047, 304117, 324817, 325579, 329057, 330529, 537817, 595417, 608287]

cp's OEIS Frontend

A225239 Numbers n such that there is an integer k with the property that k^tau(n) = sigma(n).

Table of values

List of values