2172575

素因数分解:

$5^2\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 18

約数和(自身を含む): 2816784

約数和(自身を除く): 644209

約数列:

[1, 5, 25, 43, 47, 215, 235, 1075, 1175, 1849, 2021, 9245, 10105, 46225, 50525, 86903, 434515, 2172575]

約数ペア:

[(1, 2172575), (5, 434515), (25, 86903), (43, 50525), (47, 46225), (215, 10105), (235, 9245), (1075, 2021), (1175, 1849)]