A236286 - cp's OEIS frontend

A236286 a(n) = tau(n)^sigma(n) / tau(n)^n, where tau(n) = A000005(n) = the number of divisors of n and sigma(n) = A000203(n) = the sum of divisors of n.

n	a(n)
1	1
2	2
3	2
4	27
5	2
6	4096
7	2
8	16384
9	81
10	65536
11	2
12	2821109907456
13	2
14	1048576
15	262144
16	30517578125
17	2
18	21936950640377856
19	2
20	131621703842267136
21	4194304
22	268435456
23	2
24	324518553658426726783156020576256
25	729
26	4294967296
27	67108864
28	6140942214464815497216
29	2

[1, 2, 2, 27, 2, 4096, 2, 16384, 81, 65536, 2, 2821109907456, 2, 1048576, 262144, 30517578125, 2, 21936950640377856, 2, 131621703842267136, 4194304, 268435456, 2, 324518553658426726783156020576256, 729, 4294967296, 67108864, 6140942214464815497216, 2]

cp's OEIS Frontend

A236286 a(n) = tau(n)^sigma(n) / tau(n)^n, where tau(n) = A000005(n) = the number of divisors of n and sigma(n) = A000203(n) = the sum of divisors of n.

Table of values

List of values