[seqfan] Re: Chewing Chowa's function

[D. S. McNeil]

On Sat, Feb 9, 2013 at 11:41 AM, Eric Angelini <Eric.Angelini at kntv.be> wrote:
>
> Hello SeqFans,
> start with a=48 and make the sum of the nontrivial divisors of a
> (which is Chowa's function); you'll get b=75; iterate and you'll find a
> again. What are the integers entering such loops?

I think this is A057533.


Doug