Jump to content

sun3000

New Members
  • Posts

    1
  • Joined

  • Last visited

sun3000's Achievements

Lepton

Lepton (1/13)

0

Reputation

  1. Prove: $$ \sigma _1 (n) = \sum_{d|n} \varphi(d) \sigma_0 \left( \frac{n}{d} \right)$$
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.