81409779

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{91369}}^1$

素因数の和:91392

約数の個数: 20

約数和(自身を含む): 132669240

約数和(自身を除く): 51259461

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 91369, 274107, 822321, 1005059, 2466963, 3015177, 7400889, 9045531, 27136593, 81409779]

約数ペア:

[(1, 81409779), (3, 27136593), (9, 9045531), (11, 7400889), (27, 3015177), (33, 2466963), (81, 1005059), (99, 822321), (297, 274107), (891, 91369)]