56720205

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3511}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 98616960

約数和(自身を除く): 41896755

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1795, 3231, 3511, 5385, 10533, 16155, 17555, 31599, 52665, 157995, 1260449, 3781347, 6302245, 11344041, 18906735, 56720205]

約数ペア:

[(1, 56720205), (3, 18906735), (5, 11344041), (9, 6302245), (15, 3781347), (45, 1260449), (359, 157995), (1077, 52665), (1795, 31599), (3231, 17555), (3511, 16155), (5385, 10533)]