18505071

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{52721}}^1$

素因数の和:52743

約数の個数: 16

約数和(自身を含む): 29524320

約数和(自身を除く): 11019249

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 52721, 158163, 474489, 685373, 1423467, 2056119, 6168357, 18505071]

約数ペア:

[(1, 18505071), (3, 6168357), (9, 2056119), (13, 1423467), (27, 685373), (39, 474489), (117, 158163), (351, 52721)]