16945359

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1097}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 23892480

約数和(自身を除く): 6947121

約数列:

[1, 3, 19, 57, 271, 813, 1097, 3291, 5149, 15447, 20843, 62529, 297287, 891861, 5648453, 16945359]

約数ペア:

[(1, 16945359), (3, 5648453), (19, 891861), (57, 297287), (271, 62529), (813, 20843), (1097, 15447), (3291, 5149)]