128424321

素因数分解:

$3^2\times {\mathrm{241}}^1\times {\mathrm{59209}}^1$

素因数の和:59456

約数の個数: 12

約数和(自身を含む): 186274660

約数和(自身を除く): 57850339

約数列:

[1, 3, 9, 241, 723, 2169, 59209, 177627, 532881, 14269369, 42808107, 128424321]

約数ペア:

[(1, 128424321), (3, 42808107), (9, 14269369), (241, 532881), (723, 177627), (2169, 59209)]