80778321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{4967}}^1$

素因数の和:5125

約数の個数: 24

約数和(自身を含む): 126584640

約数和(自身を除く): 45806319

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 1251, 1807, 4967, 5421, 14901, 16263, 44703, 64571, 193713, 581139, 690413, 2071239, 6213717, 8975369, 26926107, 80778321]

約数ペア:

[(1, 80778321), (3, 26926107), (9, 8975369), (13, 6213717), (39, 2071239), (117, 690413), (139, 581139), (417, 193713), (1251, 64571), (1807, 44703), (4967, 16263), (5421, 14901)]