394724997

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{617723}}^1$

素因数の和:617800

約数の個数: 12

約数和(自身を含む): 578189664

約数和(自身を除く): 183464667

約数列:

[1, 3, 9, 71, 213, 639, 617723, 1853169, 5559507, 43858333, 131574999, 394724997]

約数ペア:

[(1, 394724997), (3, 131574999), (9, 43858333), (71, 5559507), (213, 1853169), (639, 617723)]