398670273

素因数分解:

$3^2\times {\mathrm{2207}}^1\times {\mathrm{20071}}^1$

素因数の和:22284

約数の個数: 12

約数和(自身を含む): 576146688

約数和(自身を除く): 177476415

約数列:

[1, 3, 9, 2207, 6621, 19863, 20071, 60213, 180639, 44296697, 132890091, 398670273]

約数ペア:

[(1, 398670273), (3, 132890091), (9, 44296697), (2207, 180639), (6621, 60213), (19863, 20071)]