252765

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 452088

約数和(自身を除く): 199323

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 137, 205, 369, 411, 615, 685, 1233, 1845, 2055, 5617, 6165, 16851, 28085, 50553, 84255, 252765]

約数ペア:

[(1, 252765), (3, 84255), (5, 50553), (9, 28085), (15, 16851), (41, 6165), (45, 5617), (123, 2055), (137, 1845), (205, 1233), (369, 685), (411, 615)]