818478081

素因数分解:

$3^3\times {\mathrm{1483}}^1\times {\mathrm{20441}}^1$

素因数の和:21933

約数の個数: 16

約数和(自身を含む): 1213437120

約数和(自身を除く): 394959039

約数列:

[1, 3, 9, 27, 1483, 4449, 13347, 20441, 40041, 61323, 183969, 551907, 30314003, 90942009, 272826027, 818478081]

約数ペア:

[(1, 818478081), (3, 272826027), (9, 90942009), (27, 30314003), (1483, 551907), (4449, 183969), (13347, 61323), (20441, 40041)]