28257177

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4003}}^1$

素因数の和:4200

約数の個数: 16

約数和(自身を含む): 40808768

約数和(自身を除く): 12551591

約数列:

[1, 3, 13, 39, 181, 543, 2353, 4003, 7059, 12009, 52039, 156117, 724543, 2173629, 9419059, 28257177]

約数ペア:

[(1, 28257177), (3, 9419059), (13, 2173629), (39, 724543), (181, 156117), (543, 52039), (2353, 12009), (4003, 7059)]