A307100 - cp's OEIS frontend

A307100 a(n) = Sum_{d|n} (tau(d)*pod(d)) where tau(k) = the number of divisors of k (A000005) and pod(k) = the product of the divisors of k (A007955).

n	a(n)
1	1
2	5
3	7
4	29
5	11
6	155
7	15
8	285
9	88
10	415
11	23
12	10547
13	27
14	803
15	917
16	5405
17	35
18	35228
19	39
20	48439
21	1785
22	1963
23	47
24	2665011
25	386
26	2735
27	3004
28	132539
29	59
30	6481465
31	63
32	202013
33	4385
34	4663
35	4925
36	90744884
37	75
38	5819
39	6117
40	20528695
41	83
42	24896285
43	87
44	513091
45	547748
46	8515

[1, 5, 7, 29, 11, 155, 15, 285, 88, 415, 23, 10547, 27, 803, 917, 5405, 35, 35228, 39, 48439, 1785, 1963, 47, 2665011, 386, 2735, 3004, 132539, 59, 6481465, 63, 202013, 4385, 4663, 4925, 90744884, 75, 5819, 6117, 20528695, 83, 24896285, 87, 513091, 547748, 8515]

cp's OEIS Frontend

A307100 a(n) = Sum_{d|n} (tau(d)*pod(d)) where tau(k) = the number of divisors of k (A000005) and pod(k) = the product of the divisors of k (A007955).

Table of values

List of values