16181997363

素因数分解:

$3^2\times 7^1\times {\mathrm{256857101}}^1$

素因数の和:256857114

約数の個数: 12

約数和(自身を含む): 26713138608

約数和(自身を除く): 10531141245

約数列:

[1, 3, 7, 9, 21, 63, 256857101, 770571303, 1797999707, 2311713909, 5393999121, 16181997363]

約数ペア:

[(1, 16181997363), (3, 5393999121), (7, 2311713909), (9, 1797999707), (21, 770571303), (63, 256857101)]