80497719

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{24239}}^1$

素因数の和:24292

約数の個数: 20

約数和(自身を含む): 123187680

約数和(自身を除く): 42689961

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 24239, 72717, 218151, 654453, 993799, 1963359, 2981397, 8944191, 26832573, 80497719]

約数ペア:

[(1, 80497719), (3, 26832573), (9, 8944191), (27, 2981397), (41, 1963359), (81, 993799), (123, 654453), (369, 218151), (1107, 72717), (3321, 24239)]