81156315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{284759}}^1$

素因数の和:284786

約数の個数: 16

約数和(自身を含む): 136684800

約数和(自身を除く): 55528485

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 284759, 854277, 1423795, 4271385, 5410421, 16231263, 27052105, 81156315]

約数ペア:

[(1, 81156315), (3, 27052105), (5, 16231263), (15, 5410421), (19, 4271385), (57, 1423795), (95, 854277), (285, 284759)]