521391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 776160

約数和(自身を除く): 254769

約数列:

[1, 3, 13, 29, 39, 87, 377, 461, 1131, 1383, 5993, 13369, 17979, 40107, 173797, 521391]

約数ペア:

[(1, 521391), (3, 173797), (13, 40107), (29, 17979), (39, 13369), (87, 5993), (377, 1383), (461, 1131)]