72668025

素因数分解:

$3^2\times 5^2\times {\mathrm{322969}}^1$

素因数の和:322985

約数の個数: 18

約数和(自身を含む): 130156910

約数和(自身を除く): 57488885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 322969, 968907, 1614845, 2906721, 4844535, 8074225, 14533605, 24222675, 72668025]

約数ペア:

[(1, 72668025), (3, 24222675), (5, 14533605), (9, 8074225), (15, 4844535), (25, 2906721), (45, 1614845), (75, 968907), (225, 322969)]