12845205

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 22445280

約数和(自身を除く): 9600075

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 2179, 5895, 6537, 10895, 19611, 32685, 98055, 285449, 856347, 1427245, 2569041, 4281735, 12845205]

約数ペア:

[(1, 12845205), (3, 4281735), (5, 2569041), (9, 1427245), (15, 856347), (45, 285449), (131, 98055), (393, 32685), (655, 19611), (1179, 10895), (1965, 6537), (2179, 5895)]