28667304027

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{129277}}^1$

素因数の和:129520

約数の個数: 32

約数和(自身を含む): 43685621760

約数和(自身を除く): 15018317733

約数列:

[1, 3, 9, 27, 43, 129, 191, 387, 573, 1161, 1719, 5157, 8213, 24639, 73917, 129277, 221751, 387831, 1163493, 3490479, 5558911, 16676733, 24691907, 50030199, 74075721, 150090597, 222227163, 666681489, 1061752001, 3185256003, 9555768009, 28667304027]

約数ペア:

[(1, 28667304027), (3, 9555768009), (9, 3185256003), (27, 1061752001), (43, 666681489), (129, 222227163), (191, 150090597), (387, 74075721), (573, 50030199), (1161, 24691907), (1719, 16676733), (5157, 5558911), (8213, 3490479), (24639, 1163493), (73917, 387831), (129277, 221751)]