2017799991

素因数分解:

$3^4\times {\mathrm{24911111}}^1$

素因数の和:24911123

約数の個数: 10

約数和(自身を含む): 3014244552

約数和(自身を除く): 996444561

約数列:

[1, 3, 9, 27, 81, 24911111, 74733333, 224199999, 672599997, 2017799991]

約数ペア:

[(1, 2017799991), (3, 672599997), (9, 224199999), (27, 74733333), (81, 24911111)]