Erdős problem 277Is it true that, for every cc, there exists an nn such that σ(n)>cn\sigma(n)>cn but there is no covering system whose moduli all divide nn?WorkspaceContinue locallyOpen sourceSign in to contributeOpen this exact Problem, source revision, and authority Repository in Workbench. This handoff does not clone, switch, upload, or execute anything.FilesErdős problem 2772 retained source recordsCanvaspublic previewSource#277→ResultNone→Checks0