81584739

素因数分解:

$3^4\times {\mathrm{773}}^1\times {\mathrm{1303}}^1$

素因数の和:2088

約数の個数: 20

約数和(自身を含む): 122124816

約数和(自身を除く): 40540077

約数列:

[1, 3, 9, 27, 81, 773, 1303, 2319, 3909, 6957, 11727, 20871, 35181, 62613, 105543, 1007219, 3021657, 9064971, 27194913, 81584739]

約数ペア:

[(1, 81584739), (3, 27194913), (9, 9064971), (27, 3021657), (81, 1007219), (773, 105543), (1303, 62613), (2319, 35181), (3909, 20871), (6957, 11727)]