65225025

素因数分解:

$3^2\times 5^2\times {\mathrm{289889}}^1$

素因数の和:289905

約数の個数: 18

約数和(自身を含む): 116825670

約数和(自身を除く): 51600645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 289889, 869667, 1449445, 2609001, 4348335, 7247225, 13045005, 21741675, 65225025]

約数ペア:

[(1, 65225025), (3, 21741675), (5, 13045005), (9, 7247225), (15, 4348335), (25, 2609001), (45, 1449445), (75, 869667), (225, 289889)]