645801

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 960960

約数和(自身を除く): 315159

約数列:

[1, 3, 13, 29, 39, 87, 377, 571, 1131, 1713, 7423, 16559, 22269, 49677, 215267, 645801]

約数ペア:

[(1, 645801), (3, 215267), (13, 49677), (29, 22269), (39, 16559), (87, 7423), (377, 1713), (571, 1131)]