251016075

素因数分解:

$3^2\times 5^2\times {\mathrm{1115627}}^1$

素因数の和:1115643

約数の個数: 18

約数和(自身を含む): 449598084

約数和(自身を除く): 198582009

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1115627, 3346881, 5578135, 10040643, 16734405, 27890675, 50203215, 83672025, 251016075]

約数ペア:

[(1, 251016075), (3, 83672025), (5, 50203215), (9, 27890675), (15, 16734405), (25, 10040643), (45, 5578135), (75, 3346881), (225, 1115627)]