125715674889

素因数分解:

$3^4\times 7^1\times {\mathrm{221720767}}^1$

素因数の和:221720786

約数の個数: 20

約数和(自身を含む): 214625703424

約数和(自身を除く): 88910028535

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 221720767, 665162301, 1552045369, 1995486903, 4656136107, 5986460709, 13968408321, 17959382127, 41905224963, 125715674889]

約数ペア:

[(1, 125715674889), (3, 41905224963), (7, 17959382127), (9, 13968408321), (21, 5986460709), (27, 4656136107), (63, 1995486903), (81, 1552045369), (189, 665162301), (567, 221720767)]