78749721

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{123239}}^1$

素因数の和:123316

約数の個数: 12

約数和(自身を含む): 115352640

約数和(自身を除く): 36602919

約数列:

[1, 3, 9, 71, 213, 639, 123239, 369717, 1109151, 8749969, 26249907, 78749721]

約数ペア:

[(1, 78749721), (3, 26249907), (9, 8749969), (71, 1109151), (213, 369717), (639, 123239)]