2220228927

素因数分解:

$3^3\times 7^1\times {\mathrm{11747243}}^1$

素因数の和:11747259

約数の個数: 16

約数和(自身を含む): 3759118080

約数和(自身を除く): 1538889153

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 11747243, 35241729, 82230701, 105725187, 246692103, 317175561, 740076309, 2220228927]

約数ペア:

[(1, 2220228927), (3, 740076309), (7, 317175561), (9, 246692103), (21, 105725187), (27, 82230701), (63, 35241729), (189, 11747243)]