15920359

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1277}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 19752768

約数和(自身を除く): 3832409

約数列:

[1, 7, 13, 91, 137, 959, 1277, 1781, 8939, 12467, 16601, 116207, 174949, 1224643, 2274337, 15920359]

約数ペア:

[(1, 15920359), (7, 2274337), (13, 1224643), (91, 174949), (137, 116207), (959, 16601), (1277, 12467), (1781, 8939)]