18117121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 21661920

約数和(自身を除く): 3544799

約数列:

[1, 11, 17, 41, 139, 187, 289, 451, 697, 1529, 2363, 3179, 5699, 7667, 11849, 25993, 40171, 62689, 96883, 130339, 441881, 1065713, 1647011, 18117121]

約数ペア:

[(1, 18117121), (11, 1647011), (17, 1065713), (41, 441881), (139, 130339), (187, 96883), (289, 62689), (451, 40171), (697, 25993), (1529, 11849), (2363, 7667), (3179, 5699)]