80640255

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{39241}}^1$

素因数の和:39386

約数の個数: 16

約数和(自身を含む): 129969504

約数和(自身を除く): 49329249

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 39241, 117723, 196205, 588615, 5376017, 16128051, 26880085, 80640255]

約数ペア:

[(1, 80640255), (3, 26880085), (5, 16128051), (15, 5376017), (137, 588615), (411, 196205), (685, 117723), (2055, 39241)]