28234089

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{26813}}^1$

素因数の和:26838

約数の個数: 20

約数和(自身を含む): 45422916

約数和(自身を除く): 17188827

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 26813, 80439, 241317, 348569, 723951, 1045707, 2171853, 3137121, 9411363, 28234089]

約数ペア:

[(1, 28234089), (3, 9411363), (9, 3137121), (13, 2171853), (27, 1045707), (39, 723951), (81, 348569), (117, 241317), (351, 80439), (1053, 26813)]