2855255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 3864960

約数和(自身を除く): 1009705

約数列:

[1, 5, 13, 31, 65, 109, 155, 169, 403, 545, 845, 1417, 2015, 3379, 5239, 7085, 16895, 18421, 26195, 43927, 92105, 219635, 571051, 2855255]

約数ペア:

[(1, 2855255), (5, 571051), (13, 219635), (31, 92105), (65, 43927), (109, 26195), (155, 18421), (169, 16895), (403, 7085), (545, 5239), (845, 3379), (1417, 2015)]