13412721

素因数分解:

$3^1\times 7^2\times {\mathrm{91243}}^1$

素因数の和:91260

約数の個数: 12

約数和(自身を含む): 20803632

約数和(自身を除く): 7390911

約数列:

[1, 3, 7, 21, 49, 147, 91243, 273729, 638701, 1916103, 4470907, 13412721]

約数ペア:

[(1, 13412721), (3, 4470907), (7, 1916103), (21, 638701), (49, 273729), (147, 91243)]