A136641 - cp's OEIS frontend

A136641 a(n) is the smallest positive integer that is coprime to n and has n divisors.

n	a(n)
1	1
2	3
3	4
4	15
5	16
6	175
7	64
8	105
9	100
10	567
11	1024
12	1925
13	4096
14	3645
15	784
16	945
17	65536
18	13475
19	262144
20	6237
21	1600
22	295245
23	4194304
24	25025
25	1296
26	2657205
27	4900
28	40095
29	268435456
30	3776773
31	1073741824
32	10395
33	25600
34	215233605
35	5184
36	175175
37	68719476736
38	1937102445
39	102400

[1, 3, 4, 15, 16, 175, 64, 105, 100, 567, 1024, 1925, 4096, 3645, 784, 945, 65536, 13475, 262144, 6237, 1600, 295245, 4194304, 25025, 1296, 2657205, 4900, 40095, 268435456, 3776773, 1073741824, 10395, 25600, 215233605, 5184, 175175, 68719476736, 1937102445, 102400]

cp's OEIS Frontend

A136641 a(n) is the smallest positive integer that is coprime to n and has n divisors.

Table of values

List of values