13657005

素因数分解:

$3^4\times 5^1\times {\mathrm{33721}}^1$

素因数の和:33738

約数の個数: 20

約数和(自身を含む): 24482172

約数和(自身を除く): 10825167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 33721, 101163, 168605, 303489, 505815, 910467, 1517445, 2731401, 4552335, 13657005]

約数ペア:

[(1, 13657005), (3, 4552335), (5, 2731401), (9, 1517445), (15, 910467), (27, 505815), (45, 303489), (81, 168605), (135, 101163), (405, 33721)]