87129999

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{97789}}^1$

素因数の和:97812

約数の個数: 20

約数和(自身を含む): 141991080

約数和(自身を除く): 54861081

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 97789, 293367, 880101, 1075679, 2640303, 3227037, 7920909, 9681111, 29043333, 87129999]

約数ペア:

[(1, 87129999), (3, 29043333), (9, 9681111), (11, 7920909), (27, 3227037), (33, 2640303), (81, 1075679), (99, 880101), (297, 293367), (891, 97789)]