28200765

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13723}}^1$

素因数の和:13868

約数の個数: 16

約数和(自身を含む): 45453888

約数和(自身を除く): 17253123

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 13723, 41169, 68615, 205845, 1880051, 5640153, 9400255, 28200765]

約数ペア:

[(1, 28200765), (3, 9400255), (5, 5640153), (15, 1880051), (137, 205845), (411, 68615), (685, 41169), (2055, 13723)]