31590225

素因数分解:

$3^2\times 5^2\times {\mathrm{140401}}^1$

素因数の和:140417

約数の個数: 18

約数和(自身を含む): 56582006

約数和(自身を除く): 24991781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 140401, 421203, 702005, 1263609, 2106015, 3510025, 6318045, 10530075, 31590225]

約数ペア:

[(1, 31590225), (3, 10530075), (5, 6318045), (9, 3510025), (15, 2106015), (25, 1263609), (45, 702005), (75, 421203), (225, 140401)]