1557996891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{123269}}^1$

素因数の和:123666

約数の個数: 16

約数和(自身を含む): 2272112640

約数和(自身を除く): 714115749

約数列:

[1, 3, 11, 33, 383, 1149, 4213, 12639, 123269, 369807, 1355959, 4067877, 47212027, 141636081, 519332297, 1557996891]

約数ペア:

[(1, 1557996891), (3, 519332297), (11, 141636081), (33, 47212027), (383, 4067877), (1149, 1355959), (4213, 369807), (12639, 123269)]