20191497831

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5797157}}^1$

素因数の和:5797212

約数の個数: 20

約数和(自身を含む): 30864069192

約数和(自身を除く): 10672571361

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5797157, 17391471, 52174413, 156523239, 249277751, 469569717, 747833253, 2243499759, 6730499277, 20191497831]

約数ペア:

[(1, 20191497831), (3, 6730499277), (9, 2243499759), (27, 747833253), (43, 469569717), (81, 249277751), (129, 156523239), (387, 52174413), (1161, 17391471), (3483, 5797157)]