28660263

素因数分解:

$3^1\times {\mathrm{137}}^2\times {\mathrm{509}}^1$

素因数の和:786

約数の個数: 12

約数和(自身を含む): 38570280

約数和(自身を除く): 9910017

約数列:

[1, 3, 137, 411, 509, 1527, 18769, 56307, 69733, 209199, 9553421, 28660263]

約数ペア:

[(1, 28660263), (3, 9553421), (137, 209199), (411, 69733), (509, 56307), (1527, 18769)]