7138920321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{438967}}^1$

素因数の和:439125

約数の個数: 24

約数和(自身を含む): 11184904640

約数和(自身を除く): 4045984319

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 1251, 1807, 5421, 16263, 438967, 1316901, 3950703, 5706571, 17119713, 51359139, 61016413, 183049239, 549147717, 793213369, 2379640107, 7138920321]

約数ペア:

[(1, 7138920321), (3, 2379640107), (9, 793213369), (13, 549147717), (39, 183049239), (117, 61016413), (139, 51359139), (417, 17119713), (1251, 5706571), (1807, 3950703), (5421, 1316901), (16263, 438967)]