13451221

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{5323}}^1$

素因数の和:5368

約数の個数: 12

約数和(自身を含む): 16227552

約数和(自身を除く): 2776331

約数列:

[1, 7, 19, 133, 361, 2527, 5323, 37261, 101137, 707959, 1921603, 13451221]

約数ペア:

[(1, 13451221), (7, 1921603), (19, 707959), (133, 101137), (361, 37261), (2527, 5323)]