Quelques inégalités effectives entre des fonctions arithmétiques usuelles

Simple item page
dc.creatorNicolas, Jean-Louis
dc.date2008-03-07
dc.date.accessioned2026-07-07T12:17:28Z
dc.date.available2026-07-07T12:17:28Z
dc.descriptionLet us denote by $τ(n)$ and $\si(n)$ the number and the sum of the divisors of $n$ and by $\vfi$ Euler's function. We give effective upper bounds for $\frac{n}{\vfi(n)}$ in terms of $\vfi(n)$, and for $\frac{\si(n)}{n}$ in terms of $τ(n)$.
dc.identifierhttps://arxiv.org/abs/0803.1109
dc.identifierhttp://arxiv.org/abs/0803.1109
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/212091
dc.subjectNumber Theory
dc.titleQuelques inégalités effectives entre des fonctions arithmétiques usuelles
dc.typetext

Files

Collections

arXiv