81577719

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{41389}}^1$

素因数の和:41471

約数の個数: 16

約数和(自身を含む): 122514400

約数和(自身を除く): 40936681

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 41389, 124167, 372501, 1117503, 3021397, 9064191, 27192573, 81577719]

約数ペア:

[(1, 81577719), (3, 27192573), (9, 9064191), (27, 3021397), (73, 1117503), (219, 372501), (657, 124167), (1971, 41389)]