80783811

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{7853}}^1$

素因数の和:7992

約数の個数: 20

約数和(自身を含む): 121642752

約数和(自身を除く): 40858941

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 7853, 10287, 23559, 70677, 212031, 636093, 997331, 2991993, 8975979, 26927937, 80783811]

約数ペア:

[(1, 80783811), (3, 26927937), (9, 8975979), (27, 2991993), (81, 997331), (127, 636093), (381, 212031), (1143, 70677), (3429, 23559), (7853, 10287)]