2540727

素因数分解:

$3^4\times 7^1\times {\mathrm{4481}}^1$

素因数の和:4500

約数の個数: 20

約数和(自身を含む): 4338576

約数和(自身を除く): 1797849

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4481, 13443, 31367, 40329, 94101, 120987, 282303, 362961, 846909, 2540727]

約数ペア:

[(1, 2540727), (3, 846909), (7, 362961), (9, 282303), (21, 120987), (27, 94101), (63, 40329), (81, 31367), (189, 13443), (567, 4481)]