2820389

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:209

約数の個数: 16

約数和(自身を含む): 3361344

約数和(自身を除く): 540955

約数列:

[1, 11, 13, 121, 143, 163, 1331, 1573, 1793, 2119, 17303, 19723, 23309, 216953, 256399, 2820389]

約数ペア:

[(1, 2820389), (11, 256399), (13, 216953), (121, 23309), (143, 19723), (163, 17303), (1331, 2119), (1573, 1793)]