668814723

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{839}}^1\times {\mathrm{3851}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 1009532160

約数和(自身を除く): 340717437

約数列:

[1, 3, 9, 23, 69, 207, 839, 2517, 3851, 7551, 11553, 19297, 34659, 57891, 88573, 173673, 265719, 797157, 3230989, 9692967, 29078901, 74312747, 222938241, 668814723]

約数ペア:

[(1, 668814723), (3, 222938241), (9, 74312747), (23, 29078901), (69, 9692967), (207, 3230989), (839, 797157), (2517, 265719), (3851, 173673), (7551, 88573), (11553, 57891), (19297, 34659)]