791427

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 1311744

約数和(自身を除く): 520317

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 223, 273, 507, 669, 1183, 1561, 2899, 3549, 4683, 8697, 20293, 37687, 60879, 113061, 263809, 791427]

約数ペア:

[(1, 791427), (3, 263809), (7, 113061), (13, 60879), (21, 37687), (39, 20293), (91, 8697), (169, 4683), (223, 3549), (273, 2899), (507, 1561), (669, 1183)]