81396333

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43691}}^1$

素因数の和:43726

約数の個数: 20

約数和(自身を含む): 126881568

約数和(自身を除く): 45485235

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 43691, 131073, 393219, 1004893, 1179657, 3014679, 3538971, 9044037, 27132111, 81396333]

約数ペア:

[(1, 81396333), (3, 27132111), (9, 9044037), (23, 3538971), (27, 3014679), (69, 1179657), (81, 1004893), (207, 393219), (621, 131073), (1863, 43691)]