402728521

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{140177}}^1$

素因数の和:140220

約数の個数: 12

約数和(自身を含む): 461746332

約数和(自身を除く): 59017811

約数列:

[1, 13, 17, 169, 221, 2873, 140177, 1822301, 2383009, 23689913, 30979117, 402728521]

約数ペア:

[(1, 402728521), (13, 30979117), (17, 23689913), (169, 2383009), (221, 1822301), (2873, 140177)]