80455437

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{2477}}^1$

素因数の和:2890

約数の個数: 20

約数和(自身を含む): 120534876

約数和(自身を除く): 40079439

約数列:

[1, 3, 9, 27, 81, 401, 1203, 2477, 3609, 7431, 10827, 22293, 32481, 66879, 200637, 993277, 2979831, 8939493, 26818479, 80455437]

約数ペア:

[(1, 80455437), (3, 26818479), (9, 8939493), (27, 2979831), (81, 993277), (401, 200637), (1203, 66879), (2477, 32481), (3609, 22293), (7431, 10827)]