10891665

素因数分解:

$3^4\times 5^1\times {\mathrm{26893}}^1$

素因数の和:26910

約数の個数: 20

約数和(自身を含む): 19525044

約数和(自身を除く): 8633379

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 26893, 80679, 134465, 242037, 403395, 726111, 1210185, 2178333, 3630555, 10891665]

約数ペア:

[(1, 10891665), (3, 3630555), (5, 2178333), (9, 1210185), (15, 726111), (27, 403395), (45, 242037), (81, 134465), (135, 80679), (405, 26893)]