A098771 - cp's OEIS frontend

A098771 Numbers n such that sigma(n)=sigma(d_1)sigma(d_2)...*sigma(d_k) where d_1 d_2 ... d_k is the decimal expansion of n.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	38
11	58
12	66
13	87
14	568
15	766
16	2799
17	6478
18	6785
19	26486
20	36685
21	36893
22	64788
23	66758
24	67586
25	69664
26	77686
27	276895
28	467683
29	474668
30	488973
31	548678
32	587667
33	658648
34	666369
35	668954
36	839666
37	939669
38	958968
39	968765
40	2386698

[1, 2, 3, 4, 5, 6, 7, 8, 9, 38, 58, 66, 87, 568, 766, 2799, 6478, 6785, 26486, 36685, 36893, 64788, 66758, 67586, 69664, 77686, 276895, 467683, 474668, 488973, 548678, 587667, 658648, 666369, 668954, 839666, 939669, 958968, 968765, 2386698]

cp's OEIS Frontend

A098771 Numbers n such that sigma(n)=sigma(d_1)sigma(d_2)...*sigma(d_k) where d_1 d_2 ... d_k is the decimal expansion of n.

Table of values

List of values

cp's OEIS Frontend

A098771 Numbers n such that sigma(n)=sigma(d_1)*sigma(d_2)*...*sigma(d_k) where d_1 d_2 ... d_k is the decimal expansion of n.

Table of values

List of values

A098771 Numbers n such that sigma(n)=sigma(d_1)sigma(d_2)...*sigma(d_k) where d_1 d_2 ... d_k is the decimal expansion of n.