81651663

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{533671}}^1$

素因数の和:533694

約数の個数: 12

約数和(自身を含む): 124879248

約数和(自身を除く): 43227585

約数列:

[1, 3, 9, 17, 51, 153, 533671, 1601013, 4803039, 9072407, 27217221, 81651663]

約数ペア:

[(1, 81651663), (3, 27217221), (9, 9072407), (17, 4803039), (51, 1601013), (153, 533671)]