2507178177

素因数分解:

$3^4\times 7^1\times {\mathrm{4421831}}^1$

素因数の和:4421850

約数の個数: 20

約数和(自身を含む): 4280333376

約数和(自身を除く): 1773155199

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4421831, 13265493, 30952817, 39796479, 92858451, 119389437, 278575353, 358168311, 835726059, 2507178177]

約数ペア:

[(1, 2507178177), (3, 835726059), (7, 358168311), (9, 278575353), (21, 119389437), (27, 92858451), (63, 39796479), (81, 30952817), (189, 13265493), (567, 4421831)]