15904007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 19261440

約数和(自身を除く): 3357433

約数列:

[1, 7, 19, 133, 197, 607, 1379, 3743, 4249, 11533, 26201, 80731, 119579, 837053, 2272001, 15904007]

約数ペア:

[(1, 15904007), (7, 2272001), (19, 837053), (133, 119579), (197, 80731), (607, 26201), (1379, 11533), (3743, 4249)]