128557995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{504149}}^1$

素因数の和:504174

約数の個数: 16

約数和(自身を含む): 217792800

約数和(自身を除く): 89234805

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 504149, 1512447, 2520745, 7562235, 8570533, 25711599, 42852665, 128557995]

約数ペア:

[(1, 128557995), (3, 42852665), (5, 25711599), (15, 8570533), (17, 7562235), (51, 2520745), (85, 1512447), (255, 504149)]