347738
domain: N
Appears in sequences
- Numbers k such that k and k+1 have the same sum but an unequal number of divisors.at n=28A054007
- Numbers k such that k and k+1 have the same sum of unitary and nonunitary divisors.at n=20A064729
- Numbers k such that sigmawt(k) = sigmawt(k+1), where sigmawt(k) is the sum of the divisors of k weighted by divisor multiplicity in k.at n=21A171183
- Numbers n such that floor(antisigma(n) / sigma(n)) = floor(antisigma(n+1) / sigma(n+1)).at n=26A244666
- Numbers k such that s(k) = s(k+1) where s(k) is the sum of unitary, squarefree divisors of k, including 1 (A092261).at n=35A327875