31194189

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20509}}^1$

素因数の和:20541

約数の個数: 18

約数和(自身を含む): 48793290

約数和(自身を除く): 17599101

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20509, 61527, 184581, 266617, 799851, 2399553, 3466021, 10398063, 31194189]

約数ペア:

[(1, 31194189), (3, 10398063), (9, 3466021), (13, 2399553), (39, 799851), (117, 266617), (169, 184581), (507, 61527), (1521, 20509)]