1138267809

素因数分解:

$3^4\times 7^1\times {\mathrm{2007527}}^1$

素因数の和:2007546

約数の個数: 20

約数和(自身を含む): 1943287104

約数和(自身を除く): 805019295

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2007527, 6022581, 14052689, 18067743, 42158067, 54203229, 126474201, 162609687, 379422603, 1138267809]

約数ペア:

[(1, 1138267809), (3, 379422603), (7, 162609687), (9, 126474201), (21, 54203229), (27, 42158067), (63, 18067743), (81, 14052689), (189, 6022581), (567, 2007527)]