1821985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 2411712

約数和(自身を除く): 589727

約数列:

[1, 5, 11, 55, 157, 211, 785, 1055, 1727, 2321, 8635, 11605, 33127, 165635, 364397, 1821985]

約数ペア:

[(1, 1821985), (5, 364397), (11, 165635), (55, 33127), (157, 11605), (211, 8635), (785, 2321), (1055, 1727)]