A337326 - cp's OEIS frontend

A337326 a(n) is the smallest number with n divisors d such that sigma(d) / tau(d) is an integer.

n	a(n)
1	1
2	3
3	6
4	15
5	45
6	30
7	42
8	60
9	132
10	264
11	270
12	378
13	594
14	210
15	462
16	780
17	1050
18	420
19	924
20	660
21	2100
22	840
23	3060
24	1848
25	3300
26	1890
27	2970
28	2520
29	9702
30	2310
31	5544
32	3780
33	11592
34	8316
35	18216
36	5460
37	5940
38	7980
39	16830
40	7140
41	11550
42	4620
43	21252
44	10920
45	23760
46	22440
47	49500

[1, 3, 6, 15, 45, 30, 42, 60, 132, 264, 270, 378, 594, 210, 462, 780, 1050, 420, 924, 660, 2100, 840, 3060, 1848, 3300, 1890, 2970, 2520, 9702, 2310, 5544, 3780, 11592, 8316, 18216, 5460, 5940, 7980, 16830, 7140, 11550, 4620, 21252, 10920, 23760, 22440, 49500]

cp's OEIS Frontend

A337326 a(n) is the smallest number with n divisors d such that sigma(d) / tau(d) is an integer.

Table of values

List of values