2660987721

素因数分解:

$3^1\times 7^1\times {\mathrm{8663}}^1\times {\mathrm{14627}}^1$

素因数の和:23300

約数の個数: 16

約数和(自身を含む): 4055583744

約数和(自身を除く): 1394596023

約数列:

[1, 3, 7, 21, 8663, 14627, 25989, 43881, 60641, 102389, 181923, 307167, 126713701, 380141103, 886995907, 2660987721]

約数ペア:

[(1, 2660987721), (3, 886995907), (7, 380141103), (21, 126713701), (8663, 307167), (14627, 181923), (25989, 102389), (43881, 60641)]