660271644

素因数分解:

$2^2\times 3^2\times {\mathrm{18340879}}^1$

素因数の和:18340889

約数の個数: 18

約数和(自身を含む): 1669020080

約数和(自身を除く): 1008748436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 18340879, 36681758, 55022637, 73363516, 110045274, 165067911, 220090548, 330135822, 660271644]

約数ペア:

[(1, 660271644), (2, 330135822), (3, 220090548), (4, 165067911), (6, 110045274), (9, 73363516), (12, 55022637), (18, 36681758), (36, 18340879)]