331489278

素因数分解:

$2^1\times 3^2\times {\mathrm{18416071}}^1$

素因数の和:18416079

約数の個数: 12

約数和(自身を含む): 718226808

約数和(自身を除く): 386737530

約数列:

[1, 2, 3, 6, 9, 18, 18416071, 36832142, 55248213, 110496426, 165744639, 331489278]

約数ペア:

[(1, 331489278), (2, 165744639), (3, 110496426), (6, 55248213), (9, 36832142), (18, 18416071)]