81090945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138617}}^1$

素因数の和:138641

約数の個数: 24

約数和(自身を含む): 151370856

約数和(自身を除く): 70279911

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 138617, 415851, 693085, 1247553, 1802021, 2079255, 5406063, 6237765, 9010105, 16218189, 27030315, 81090945]

約数ペア:

[(1, 81090945), (3, 27030315), (5, 16218189), (9, 9010105), (13, 6237765), (15, 5406063), (39, 2079255), (45, 1802021), (65, 1247553), (117, 693085), (195, 415851), (585, 138617)]