278330271

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{3187}}^1$

素因数の和:3910

約数の個数: 16

約数和(自身を含む): 380417664

約数和(自身を除く): 102087393

約数列:

[1, 3, 43, 129, 677, 2031, 3187, 9561, 29111, 87333, 137041, 411123, 2157599, 6472797, 92776757, 278330271]

約数ペア:

[(1, 278330271), (3, 92776757), (43, 6472797), (129, 2157599), (677, 411123), (2031, 137041), (3187, 87333), (9561, 29111)]