2198025

素因数分解:

$3^2\times 5^2\times {\mathrm{9769}}^1$

素因数の和:9785

約数の個数: 18

約数和(自身を含む): 3937310

約数和(自身を除く): 1739285

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 9769, 29307, 48845, 87921, 146535, 244225, 439605, 732675, 2198025]

約数ペア:

[(1, 2198025), (3, 732675), (5, 439605), (9, 244225), (15, 146535), (25, 87921), (45, 48845), (75, 29307), (225, 9769)]