338481

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 576576

約数和(自身を除く): 238095

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 263, 429, 789, 1287, 2367, 2893, 3419, 8679, 10257, 26037, 30771, 37609, 112827, 338481]

約数ペア:

[(1, 338481), (3, 112827), (9, 37609), (11, 30771), (13, 26037), (33, 10257), (39, 8679), (99, 3419), (117, 2893), (143, 2367), (263, 1287), (429, 789)]