218121339

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{8209}}^1$

素因数の和:8750

約数の個数: 16

約数和(自身を含む): 308564640

約数和(自身を除く): 90443301

約数列:

[1, 3, 17, 51, 521, 1563, 8209, 8857, 24627, 26571, 139553, 418659, 4276889, 12830667, 72707113, 218121339]

約数ペア:

[(1, 218121339), (3, 72707113), (17, 12830667), (51, 4276889), (521, 418659), (1563, 139553), (8209, 26571), (8857, 24627)]