31359717

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{2027}}^1$

素因数の和:2230

約数の個数: 20

約数和(自身を含む): 47114496

約数和(自身を除く): 15754779

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 2027, 5157, 6081, 15471, 18243, 54729, 164187, 387157, 1161471, 3484413, 10453239, 31359717]

約数ペア:

[(1, 31359717), (3, 10453239), (9, 3484413), (27, 1161471), (81, 387157), (191, 164187), (573, 54729), (1719, 18243), (2027, 15471), (5157, 6081)]