12467721

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13807}}^1$

素因数の和:13860

約数の個数: 16

約数和(自身を含む): 19441664

約数和(自身を除く): 6973943

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 13807, 41421, 96649, 289947, 593701, 1781103, 4155907, 12467721]

約数ペア:

[(1, 12467721), (3, 4155907), (7, 1781103), (21, 593701), (43, 289947), (129, 96649), (301, 41421), (903, 13807)]