A263928 - cp's OEIS frontend

A263928 Integers m such that sigma(m)^2 is divisible by m.

n	a(n)
1	1
2	6
3	24
4	28
5	120
6	224
7	234
8	270
9	496
10	588
11	600
12	672
13	864
14	1080
15	1521
16	1638
17	1782
18	2016
19	3724
20	4320
21	4680
22	5733
23	6048
24	6200
25	6552
26	7128
27	8128
28	11172
29	11466
30	15872
31	17280
32	18144
33	18600
34	18620
35	21600
36	22932
37	26208
38	26460
39	27000
40	30240
41	32640
42	32760
43	33516
44	35640

[1, 6, 24, 28, 120, 224, 234, 270, 496, 588, 600, 672, 864, 1080, 1521, 1638, 1782, 2016, 3724, 4320, 4680, 5733, 6048, 6200, 6552, 7128, 8128, 11172, 11466, 15872, 17280, 18144, 18600, 18620, 21600, 22932, 26208, 26460, 27000, 30240, 32640, 32760, 33516, 35640]

cp's OEIS Frontend

A263928 Integers m such that sigma(m)^2 is divisible by m.

Table of values

List of values