27986245

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21611}}^1$

素因数の和:21660

約数の個数: 16

約数和(自身を含む): 39420288

約数和(自身を除く): 11434043

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 21611, 108055, 151277, 756385, 799607, 3998035, 5597249, 27986245]

約数ペア:

[(1, 27986245), (5, 5597249), (7, 3998035), (35, 799607), (37, 756385), (185, 151277), (259, 108055), (1295, 21611)]