139751521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{2699}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 172368000

約数和(自身を除く): 32616479

約数列:

[1, 7, 13, 91, 569, 2699, 3983, 7397, 18893, 35087, 51779, 245609, 1535731, 10750117, 19964503, 139751521]

約数ペア:

[(1, 139751521), (7, 19964503), (13, 10750117), (91, 1535731), (569, 245609), (2699, 51779), (3983, 35087), (7397, 18893)]