1391007687

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1\times {\mathrm{7001}}^1$

素因数の和:7750

約数の個数: 16

約数和(自身を含む): 1875863808

約数和(自身を除く): 484856121

約数列:

[1, 3, 103, 309, 643, 1929, 7001, 21003, 66229, 198687, 721103, 2163309, 4501643, 13504929, 463669229, 1391007687]

約数ペア:

[(1, 1391007687), (3, 463669229), (103, 13504929), (309, 4501643), (643, 2163309), (1929, 721103), (7001, 198687), (21003, 66229)]