15390081

素因数分解:

$3^4\times 7^1\times {\mathrm{27143}}^1$

素因数の和:27162

約数の個数: 20

約数和(自身を含む): 26275392

約数和(自身を除く): 10885311

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27143, 81429, 190001, 244287, 570003, 732861, 1710009, 2198583, 5130027, 15390081]

約数ペア:

[(1, 15390081), (3, 5130027), (7, 2198583), (9, 1710009), (21, 732861), (27, 570003), (63, 244287), (81, 190001), (189, 81429), (567, 27143)]