71049717

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{20399}}^1$

素因数の和:20454

約数の個数: 20

約数和(自身を含む): 108609600

約数和(自身を除く): 37559883

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 20399, 61197, 183591, 550773, 877157, 1652319, 2631471, 7894413, 23683239, 71049717]

約数ペア:

[(1, 71049717), (3, 23683239), (9, 7894413), (27, 2631471), (43, 1652319), (81, 877157), (129, 550773), (387, 183591), (1161, 61197), (3483, 20399)]