39720555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{126097}}^1$

素因数の和:126115

約数の個数: 24

約数和(自身を含む): 78685152

約数和(自身を除く): 38964597

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 126097, 378291, 630485, 882679, 1134873, 1891455, 2648037, 4413395, 5674365, 7944111, 13240185, 39720555]

約数ペア:

[(1, 39720555), (3, 13240185), (5, 7944111), (7, 5674365), (9, 4413395), (15, 2648037), (21, 1891455), (35, 1134873), (45, 882679), (63, 630485), (105, 378291), (315, 126097)]