81786321

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131701}}^1$

素因数の和:131733

約数の個数: 16

約数和(自身を含む): 126433920

約数和(自身を除く): 44647599

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 131701, 395103, 1185309, 3029123, 3555927, 9087369, 27262107, 81786321]

約数ペア:

[(1, 81786321), (3, 27262107), (9, 9087369), (23, 3555927), (27, 3029123), (69, 1185309), (207, 395103), (621, 131701)]