90002025

素因数分解:

$3^2\times 5^2\times {\mathrm{400009}}^1$

素因数の和:400025

約数の個数: 18

約数和(自身を含む): 161204030

約数和(自身を除く): 71202005

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 400009, 1200027, 2000045, 3600081, 6000135, 10000225, 18000405, 30000675, 90002025]

約数ペア:

[(1, 90002025), (3, 30000675), (5, 18000405), (9, 10000225), (15, 6000135), (25, 3600081), (45, 2000045), (75, 1200027), (225, 400009)]