80501445

素因数分解:

$3^4\times 5^1\times {\mathrm{198769}}^1$

素因数の和:198786

約数の個数: 20

約数和(自身を含む): 144307020

約数和(自身を除く): 63805575

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198769, 596307, 993845, 1788921, 2981535, 5366763, 8944605, 16100289, 26833815, 80501445]

約数ペア:

[(1, 80501445), (3, 26833815), (5, 16100289), (9, 8944605), (15, 5366763), (27, 2981535), (45, 1788921), (81, 993845), (135, 596307), (405, 198769)]