81418911

素因数分解:

$3^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{5333}}^1$

素因数の和:6070

約数の個数: 16

約数和(自身を含む): 124260864

約数和(自身を除く): 42841953

約数列:

[1, 3, 7, 21, 727, 2181, 5089, 5333, 15267, 15999, 37331, 111993, 3877091, 11631273, 27139637, 81418911]

約数ペア:

[(1, 81418911), (3, 27139637), (7, 11631273), (21, 3877091), (727, 111993), (2181, 37331), (5089, 15999), (5333, 15267)]