55551993

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{19309}}^1$

素因数の和:19456

約数の個数: 16

約数和(自身を含む): 85272960

約数和(自身を除く): 29720967

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 19309, 57927, 135163, 405489, 2645333, 7935999, 18517331, 55551993]

約数ペア:

[(1, 55551993), (3, 18517331), (7, 7935999), (21, 2645333), (137, 405489), (411, 135163), (959, 57927), (2877, 19309)]