39988809

素因数分解:

$3^5\times 7^1\times {\mathrm{23509}}^1$

素因数の和:23531

約数の個数: 24

約数和(自身を含む): 68461120

約数和(自身を除く): 28472311

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 23509, 70527, 164563, 211581, 493689, 634743, 1481067, 1904229, 4443201, 5712687, 13329603, 39988809]

約数ペア:

[(1, 39988809), (3, 13329603), (7, 5712687), (9, 4443201), (21, 1904229), (27, 1481067), (63, 634743), (81, 493689), (189, 211581), (243, 164563), (567, 70527), (1701, 23509)]