2886759

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:396

約数の個数: 20

約数和(自身を含む): 4358904

約数和(自身を除く): 1472145

約数列:

[1, 3, 9, 27, 81, 157, 227, 471, 681, 1413, 2043, 4239, 6129, 12717, 18387, 35639, 106917, 320751, 962253, 2886759]

約数ペア:

[(1, 2886759), (3, 962253), (9, 320751), (27, 106917), (81, 35639), (157, 18387), (227, 12717), (471, 6129), (681, 4239), (1413, 2043)]