80640891

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2633}}^1$

素因数の和:2763

約数の個数: 24

約数和(自身を含む): 120805776

約数和(自身を除く): 40164885

約数列:

[1, 3, 9, 41, 83, 123, 249, 369, 747, 2633, 3403, 7899, 10209, 23697, 30627, 107953, 218539, 323859, 655617, 971577, 1966851, 8960099, 26880297, 80640891]

約数ペア:

[(1, 80640891), (3, 26880297), (9, 8960099), (41, 1966851), (83, 971577), (123, 655617), (249, 323859), (369, 218539), (747, 107953), (2633, 30627), (3403, 23697), (7899, 10209)]