215580281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{13829}}^1$

素因数の和:13984

約数の個数: 16

約数和(自身を含む): 262880640

約数和(自身を除く): 47300359

約数列:

[1, 7, 17, 119, 131, 917, 2227, 13829, 15589, 96803, 235093, 1645651, 1811599, 12681193, 30797183, 215580281]

約数ペア:

[(1, 215580281), (7, 30797183), (17, 12681193), (119, 1811599), (131, 1645651), (917, 235093), (2227, 96803), (13829, 15589)]