520040025

素因数分解:

$3^2\times 5^2\times {\mathrm{2311289}}^1$

素因数の和:2311305

約数の個数: 18

約数和(自身を含む): 931449870

約数和(自身を除く): 411409845

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2311289, 6933867, 11556445, 20801601, 34669335, 57782225, 104008005, 173346675, 520040025]

約数ペア:

[(1, 520040025), (3, 173346675), (5, 104008005), (9, 57782225), (15, 34669335), (25, 20801601), (45, 11556445), (75, 6933867), (225, 2311289)]