18004239

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7907}}^1$

素因数の和:7947

約数の個数: 24

約数和(自身を含む): 29607552

約数和(自身を除く): 11603313

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 759, 2277, 7907, 23721, 71163, 86977, 181861, 260931, 545583, 782793, 1636749, 2000471, 6001413, 18004239]

約数ペア:

[(1, 18004239), (3, 6001413), (9, 2000471), (11, 1636749), (23, 782793), (33, 545583), (69, 260931), (99, 181861), (207, 86977), (253, 71163), (759, 23721), (2277, 7907)]