8990397

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 14318304

約数和(自身を除く): 5327907

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 1787, 5031, 5361, 16083, 23231, 69693, 76841, 209079, 230523, 691569, 998933, 2996799, 8990397]

約数ペア:

[(1, 8990397), (3, 2996799), (9, 998933), (13, 691569), (39, 230523), (43, 209079), (117, 76841), (129, 69693), (387, 23231), (559, 16083), (1677, 5361), (1787, 5031)]