A064121 - cp's OEIS frontend

A064121 Nonprime numbers n such that the sum of aliquot divisors of n (A001065) and product of aliquot divisors of n (A048741) are both perfect squares.

n	a(n)
1	1
2	12
3	75
4	76
5	124
6	147
7	153
8	176
9	243
10	332
11	363
12	477
13	507
14	524
15	575
16	688
17	867
18	892
19	963
20	1075
21	1083
22	1421
23	1532
24	1573
25	1587
26	1611
27	1916
28	2032
29	2075
30	2224
31	2299
32	2401
33	2421
34	2523
35	2572
36	2883
37	2891
38	3100
39	3479
40	3776
41	3888
42	4107
43	4336
44	4527
45	4961
46	4975

[1, 12, 75, 76, 124, 147, 153, 176, 243, 332, 363, 477, 507, 524, 575, 688, 867, 892, 963, 1075, 1083, 1421, 1532, 1573, 1587, 1611, 1916, 2032, 2075, 2224, 2299, 2401, 2421, 2523, 2572, 2883, 2891, 3100, 3479, 3776, 3888, 4107, 4336, 4527, 4961, 4975]

cp's OEIS Frontend

A064121 Nonprime numbers n such that the sum of aliquot divisors of n (A001065) and product of aliquot divisors of n (A048741) are both perfect squares.

Table of values

List of values