A327831 - cp's OEIS frontend

A327831 Numbers m such that sigma(m)*tau(m) is a square but sigma(m)/tau(m) is not an integer.

n	a(n)
1	232
2	2152
3	3240
4	3560
5	3944
6	6516
7	17908
8	22504
9	23716
10	26172
11	32360
12	34344
13	36584
14	37736
15	43300
16	45612
17	48204
18	55080
19	55912
20	60520
21	61480
22	69352
23	73084
24	78184
25	79056
26	79300
27	96552
28	104168
29	105832
30	106088
31	125356
32	130432
33	133864
34	140040
35	149992
36	163764
37	168424
38	172840
39	176360
40	183204

[232, 2152, 3240, 3560, 3944, 6516, 17908, 22504, 23716, 26172, 32360, 34344, 36584, 37736, 43300, 45612, 48204, 55080, 55912, 60520, 61480, 69352, 73084, 78184, 79056, 79300, 96552, 104168, 105832, 106088, 125356, 130432, 133864, 140040, 149992, 163764, 168424, 172840, 176360, 183204]

cp's OEIS Frontend

A327831 Numbers m such that sigma(m)*tau(m) is a square but sigma(m)/tau(m) is not an integer.

Table of values

List of values