990063

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:748

約数の個数: 20

約数和(自身を含む): 1568160

約数和(自身を除く): 578097

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 719, 1377, 2157, 6471, 12223, 19413, 36669, 58239, 110007, 330021, 990063]

約数ペア:

[(1, 990063), (3, 330021), (9, 110007), (17, 58239), (27, 36669), (51, 19413), (81, 12223), (153, 6471), (459, 2157), (719, 1377)]