208266723

素因数分解:

$3^2\times 7^1\times {\mathrm{3305821}}^1$

素因数の和:3305834

約数の個数: 12

約数和(自身を含む): 343805488

約数和(自身を除く): 135538765

約数列:

[1, 3, 7, 9, 21, 63, 3305821, 9917463, 23140747, 29752389, 69422241, 208266723]

約数ペア:

[(1, 208266723), (3, 69422241), (7, 29752389), (9, 23140747), (21, 9917463), (63, 3305821)]