9920025

素因数分解:

$3^2\times 5^2\times {\mathrm{44089}}^1$

素因数の和:44105

約数の個数: 18

約数和(自身を含む): 17768270

約数和(自身を除く): 7848245

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 44089, 132267, 220445, 396801, 661335, 1102225, 1984005, 3306675, 9920025]

約数ペア:

[(1, 9920025), (3, 3306675), (5, 1984005), (9, 1102225), (15, 661335), (25, 396801), (45, 220445), (75, 132267), (225, 44089)]