16722657

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6173}}^1$

素因数の和:6229

約数の個数: 24

約数和(自身を含む): 28252224

約数和(自身を除く): 11529567

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 6173, 18519, 43211, 55557, 129633, 265439, 388899, 796317, 1858073, 2388951, 5574219, 16722657]

約数ペア:

[(1, 16722657), (3, 5574219), (7, 2388951), (9, 1858073), (21, 796317), (43, 388899), (63, 265439), (129, 129633), (301, 55557), (387, 43211), (903, 18519), (2709, 6173)]