80907903

素因数分解:

$3^4\times {\mathrm{853}}^1\times {\mathrm{1171}}^1$

素因数の和:2036

約数の個数: 20

約数和(自身を含む): 121107448

約数和(自身を除く): 40199545

約数列:

[1, 3, 9, 27, 81, 853, 1171, 2559, 3513, 7677, 10539, 23031, 31617, 69093, 94851, 998863, 2996589, 8989767, 26969301, 80907903]

約数ペア:

[(1, 80907903), (3, 26969301), (9, 8989767), (27, 2996589), (81, 998863), (853, 94851), (1171, 69093), (2559, 31617), (3513, 23031), (7677, 10539)]