71318151

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{12401}}^1$

素因数の和:12484

約数の個数: 20

約数和(自身を含む): 108046224

約数和(自身を除く): 36728073

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 12401, 37203, 111609, 334827, 880471, 1004481, 2641413, 7924239, 23772717, 71318151]

約数ペア:

[(1, 71318151), (3, 23772717), (9, 7924239), (27, 2641413), (71, 1004481), (81, 880471), (213, 334827), (639, 111609), (1917, 37203), (5751, 12401)]