80723025

素因数分解:

$3^2\times 5^2\times {\mathrm{358769}}^1$

素因数の和:358785

約数の個数: 18

約数和(自身を含む): 144584310

約数和(自身を除く): 63861285

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 358769, 1076307, 1793845, 3228921, 5381535, 8969225, 16144605, 26907675, 80723025]

約数ペア:

[(1, 80723025), (3, 26907675), (5, 16144605), (9, 8969225), (15, 5381535), (25, 3228921), (45, 1793845), (75, 1076307), (225, 358769)]