28318329

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{26893}}^1$

素因数の和:26918

約数の個数: 20

約数和(自身を含む): 45558436

約数和(自身を除く): 17240107

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 26893, 80679, 242037, 349609, 726111, 1048827, 2178333, 3146481, 9439443, 28318329]

約数ペア:

[(1, 28318329), (3, 9439443), (9, 3146481), (13, 2178333), (27, 1048827), (39, 726111), (81, 349609), (117, 242037), (351, 80679), (1053, 26893)]