@article{10_4064_cm103_1_4,
     author = {William D. Banks and Florian Luca},
     title = {Nonaliquots and {Robbins} numbers},
     journal = {Colloquium Mathematicum},
     pages = {27--32},
     publisher = {mathdoc},
     volume = {103},
     number = {1},
     year = {2005},
     doi = {10.4064/cm103-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm103-1-4/}
}