42840333

素因数分解:

$3^4\times {\mathrm{263}}^1\times {\mathrm{2011}}^1$

素因数の和:2286

約数の個数: 20

約数和(自身を含む): 64271328

約数和(自身を除く): 21430995

約数列:

[1, 3, 9, 27, 81, 263, 789, 2011, 2367, 6033, 7101, 18099, 21303, 54297, 162891, 528893, 1586679, 4760037, 14280111, 42840333]

約数ペア:

[(1, 42840333), (3, 14280111), (9, 4760037), (27, 1586679), (81, 528893), (263, 162891), (789, 54297), (2011, 21303), (2367, 18099), (6033, 7101)]