66286665

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20747}}^1$

素因数の和:20829

約数の個数: 24

約数和(自身を含む): 116520768

約数和(自身を除く): 50234103

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 20747, 62241, 103735, 186723, 311205, 933615, 1473037, 4419111, 7365185, 13257333, 22095555, 66286665]

約数ペア:

[(1, 66286665), (3, 22095555), (5, 13257333), (9, 7365185), (15, 4419111), (45, 1473037), (71, 933615), (213, 311205), (355, 186723), (639, 103735), (1065, 62241), (3195, 20747)]