788360121

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1609}}^1$

素因数の和:1907

約数の個数: 40

約数和(自身を含む): 1234316160

約数和(自身を除く): 445956039

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 263, 621, 789, 1609, 1863, 2367, 4827, 6049, 7101, 14481, 18147, 21303, 37007, 43443, 54441, 111021, 130329, 163323, 333063, 423167, 489969, 999189, 1269501, 2997567, 3808503, 9732841, 11425509, 29198523, 34276527, 87595569, 262786707, 788360121]

約数ペア:

[(1, 788360121), (3, 262786707), (9, 87595569), (23, 34276527), (27, 29198523), (69, 11425509), (81, 9732841), (207, 3808503), (263, 2997567), (621, 1269501), (789, 999189), (1609, 489969), (1863, 423167), (2367, 333063), (4827, 163323), (6049, 130329), (7101, 111021), (14481, 54441), (18147, 43443), (21303, 37007)]