81945155

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{10663}}^1$

素因数の和:10750

約数の個数: 16

約数和(自身を含む): 103654080

約数和(自身を除く): 21708925

約数列:

[1, 5, 29, 53, 145, 265, 1537, 7685, 10663, 53315, 309227, 565139, 1546135, 2825695, 16389031, 81945155]

約数ペア:

[(1, 81945155), (5, 16389031), (29, 2825695), (53, 1546135), (145, 565139), (265, 309227), (1537, 53315), (7685, 10663)]