209250727

素因数分解:

$7^2\times {\mathrm{1423}}^1\times {\mathrm{3001}}^1$

素因数の和:4438

約数の個数: 12

約数和(自身を含む): 243666336

約数和(自身を除く): 34415609

約数列:

[1, 7, 49, 1423, 3001, 9961, 21007, 69727, 147049, 4270423, 29892961, 209250727]

約数ペア:

[(1, 209250727), (7, 29892961), (49, 4270423), (1423, 147049), (3001, 69727), (9961, 21007)]