30781257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3001}}^1$

素因数の和:3280

約数の個数: 16

約数和(自身を含む): 44381568

約数和(自身を除く): 13600311

約数列:

[1, 3, 13, 39, 263, 789, 3001, 3419, 9003, 10257, 39013, 117039, 789263, 2367789, 10260419, 30781257]

約数ペア:

[(1, 30781257), (3, 10260419), (13, 2367789), (39, 789263), (263, 117039), (789, 39013), (3001, 10257), (3419, 9003)]