2017648521

素因数分解:

$3^4\times 7^1\times {\mathrm{3558463}}^1$

素因数の和:3558482

約数の個数: 20

約数和(自身を含む): 3444593152

約数和(自身を除く): 1426944631

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3558463, 10675389, 24909241, 32026167, 74727723, 96078501, 224183169, 288235503, 672549507, 2017648521]

約数ペア:

[(1, 2017648521), (3, 672549507), (7, 288235503), (9, 224183169), (21, 96078501), (27, 74727723), (63, 32026167), (81, 24909241), (189, 10675389), (567, 3558463)]