15720861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2473}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 22721216

約数和(自身を除く): 7000355

約数列:

[1, 3, 13, 39, 163, 489, 2119, 2473, 6357, 7419, 32149, 96447, 403099, 1209297, 5240287, 15720861]

約数ペア:

[(1, 15720861), (3, 5240287), (13, 1209297), (39, 403099), (163, 96447), (489, 32149), (2119, 7419), (2473, 6357)]