289323171

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{18701}}^1$

素因数の和:18904

約数の個数: 20

約数和(自身を含む): 434484864

約数和(自身を除く): 145161693

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 15471, 18701, 56103, 168309, 504927, 1514781, 3571891, 10715673, 32147019, 96441057, 289323171]

約数ペア:

[(1, 289323171), (3, 96441057), (9, 32147019), (27, 10715673), (81, 3571891), (191, 1514781), (573, 504927), (1719, 168309), (5157, 56103), (15471, 18701)]