1281998025
domain: N
Appears in sequences
- Odd exponential abundant numbers: odd numbers k whose sum of exponential divisors A051377(k) > 2*k.at n=9A321147
- Odd cubefree exponential abundant numbers: odd cubefree numbers k for which A051377(k) > 2*k.at n=9A391429
- Odd exponential abundant numbers that are squares of squarefree numbers.at n=9A391430