28187601

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2999}}^1$

素因数の和:3256

約数の個数: 16

約数和(自身を含む): 40656000

約数和(自身を除く): 12468399

約数列:

[1, 3, 13, 39, 241, 723, 2999, 3133, 8997, 9399, 38987, 116961, 722759, 2168277, 9395867, 28187601]

約数ペア:

[(1, 28187601), (3, 9395867), (13, 2168277), (39, 722759), (241, 116961), (723, 38987), (2999, 9399), (3133, 8997)]