2168025

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 3627744

約数和(自身を除く): 1459719

約数列:

[1, 3, 5, 15, 25, 75, 137, 211, 411, 633, 685, 1055, 2055, 3165, 3425, 5275, 10275, 15825, 28907, 86721, 144535, 433605, 722675, 2168025]

約数ペア:

[(1, 2168025), (3, 722675), (5, 433605), (15, 144535), (25, 86721), (75, 28907), (137, 15825), (211, 10275), (411, 5275), (633, 3425), (685, 3165), (1055, 2055)]