16858881

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1117}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 27547520

約数和(自身を除く): 10688639

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1117, 1161, 1677, 3351, 5031, 10053, 14521, 15093, 30159, 43563, 48031, 130689, 144093, 392067, 432279, 624403, 1296837, 1873209, 5619627, 16858881]

約数ペア:

[(1, 16858881), (3, 5619627), (9, 1873209), (13, 1296837), (27, 624403), (39, 432279), (43, 392067), (117, 144093), (129, 130689), (351, 48031), (387, 43563), (559, 30159), (1117, 15093), (1161, 14521), (1677, 10053), (3351, 5031)]