A Congruence Relation between τ(n) and σ(n)
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DOI:
https://doi.org/10.18311/jims/1945/17135Abstract
Proceeding on the lines of my paper (1) on the "Congruence Properties of Ï„(n)", it can be shown that for any odd prime p,
σ (P) = P+I (mod 8)
= σ(P) (mod 8),
where Ï„(n) is Ramanujan's function.