1285335783

素因数分解:

$3^4\times {\mathrm{523}}^1\times {\mathrm{30341}}^1$

素因数の和:30876

約数の個数: 20

約数和(自身を含む): 1923804168

約数和(自身を除く): 638468385

約数列:

[1, 3, 9, 27, 81, 523, 1569, 4707, 14121, 30341, 42363, 91023, 273069, 819207, 2457621, 15868343, 47605029, 142815087, 428445261, 1285335783]

約数ペア:

[(1, 1285335783), (3, 428445261), (9, 142815087), (27, 47605029), (81, 15868343), (523, 2457621), (1569, 819207), (4707, 273069), (14121, 91023), (30341, 42363)]