13815081

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2129}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 23038080

約数和(自身を除く): 9222999

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2129, 2163, 6387, 6489, 14903, 19161, 44709, 134127, 219287, 657861, 1535009, 1973583, 4605027, 13815081]

約数ペア:

[(1, 13815081), (3, 4605027), (7, 1973583), (9, 1535009), (21, 657861), (63, 219287), (103, 134127), (309, 44709), (721, 19161), (927, 14903), (2129, 6489), (2163, 6387)]