259239681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1694377}}^1$

素因数の和:1694400

約数の個数: 12

約数和(自身を含む): 396484452

約数和(自身を除く): 137244771

約数列:

[1, 3, 9, 17, 51, 153, 1694377, 5083131, 15249393, 28804409, 86413227, 259239681]

約数ペア:

[(1, 259239681), (3, 86413227), (9, 28804409), (17, 15249393), (51, 5083131), (153, 1694377)]