71689815

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37049}}^1$

素因数の和:37103

約数の個数: 24

約数和(自身を含む): 127155600

約数和(自身を除く): 55465785

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 37049, 111147, 185245, 333441, 555735, 1593107, 1667205, 4779321, 7965535, 14337963, 23896605, 71689815]

約数ペア:

[(1, 71689815), (3, 23896605), (5, 14337963), (9, 7965535), (15, 4779321), (43, 1667205), (45, 1593107), (129, 555735), (215, 333441), (387, 185245), (645, 111147), (1935, 37049)]