Positive integers n such that n∣aσ(n)-1.
Luca, Florian
Novi Sad Journal of Mathematics, Tome 33 (2003), p. 49-66 / Harvested from The Electronic Library of Mathematics
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Publié le : 2003-01-01
EUDML-ID : urn:eudml:doc:125862 
@article{05015726,
     title = {Positive integers },
     journal = {Novi Sad Journal of Mathematics},
     volume = {33},
     year = {2003},
     pages = {49-66},
     zbl = {1085.11047},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05015726}
}

Luca, Florian. Positive integers . Novi Sad Journal of Mathematics, Tome 33 (2003) pp. 49-66. http://gdmltest.u-ga.fr/item/05015726/