2051220855

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{998161}}^1$

素因数の和:998306

約数の個数: 16

約数和(自身を含む): 3305912544

約数和(自身を除く): 1254691689

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 998161, 2994483, 4990805, 14972415, 136748057, 410244171, 683740285, 2051220855]

約数ペア:

[(1, 2051220855), (3, 683740285), (5, 410244171), (15, 136748057), (137, 14972415), (411, 4990805), (685, 2994483), (2055, 998161)]