84977667

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{3989}}^1$

素因数の和:4264

約数の個数: 20

約数和(自身を含む): 127456560

約数和(自身を除く): 42478893

約数列:

[1, 3, 9, 27, 81, 263, 789, 2367, 3989, 7101, 11967, 21303, 35901, 107703, 323109, 1049107, 3147321, 9441963, 28325889, 84977667]

約数ペア:

[(1, 84977667), (3, 28325889), (9, 9441963), (27, 3147321), (81, 1049107), (263, 323109), (789, 107703), (2367, 35901), (3989, 21303), (7101, 11967)]