639492093

素因数分解:

$3^2\times {\mathrm{3001}}^1\times {\mathrm{23677}}^1$

素因数の和:26684

約数の個数: 12

約数和(自身を含む): 924057628

約数和(自身を除く): 284565535

約数列:

[1, 3, 9, 3001, 9003, 23677, 27009, 71031, 213093, 71054677, 213164031, 639492093]

約数ペア:

[(1, 639492093), (3, 213164031), (9, 71054677), (3001, 213093), (9003, 71031), (23677, 27009)]