31302225

素因数分解:

$3^2\times 5^2\times {\mathrm{139121}}^1$

素因数の和:139137

約数の個数: 18

約数和(自身を含む): 56066166

約数和(自身を除く): 24763941

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 139121, 417363, 695605, 1252089, 2086815, 3478025, 6260445, 10434075, 31302225]

約数ペア:

[(1, 31302225), (3, 10434075), (5, 6260445), (9, 3478025), (15, 2086815), (25, 1252089), (45, 695605), (75, 417363), (225, 139121)]