12940335

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 22604400

約数和(自身を除く): 9664065

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 2099, 6165, 6297, 10495, 18891, 31485, 94455, 287563, 862689, 1437815, 2588067, 4313445, 12940335]

約数ペア:

[(1, 12940335), (3, 4313445), (5, 2588067), (9, 1437815), (15, 862689), (45, 287563), (137, 94455), (411, 31485), (685, 18891), (1233, 10495), (2055, 6297), (2099, 6165)]