9857939

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 16

約数和(自身を含む): 12223680

約数和(自身を除く): 2365741

約数列:

[1, 7, 13, 91, 169, 641, 1183, 2197, 4487, 8333, 15379, 58331, 108329, 758303, 1408277, 9857939]

約数ペア:

[(1, 9857939), (7, 1408277), (13, 758303), (91, 108329), (169, 58331), (641, 15379), (1183, 8333), (2197, 4487)]