128520999

素因数分解:

$3^5\times {\mathrm{263}}^1\times {\mathrm{2011}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 193345152

約数和(自身を除く): 64824153

約数列:

[1, 3, 9, 27, 81, 243, 263, 789, 2011, 2367, 6033, 7101, 18099, 21303, 54297, 63909, 162891, 488673, 528893, 1586679, 4760037, 14280111, 42840333, 128520999]

約数ペア:

[(1, 128520999), (3, 42840333), (9, 14280111), (27, 4760037), (81, 1586679), (243, 528893), (263, 488673), (789, 162891), (2011, 63909), (2367, 54297), (6033, 21303), (7101, 18099)]