trizen 665e7e9d26 new file: oeis-research/Donovan Johnson/Smallest number m such that sigma(m) has exactly n distinct prime factors/upper-bounds.sf 2 years ago
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Smallest number m such that sigma(m) has exactly n distinct prime factors 665e7e9d26 new file: oeis-research/Donovan Johnson/Smallest number m such that sigma(m) has exactly n distinct prime factors/upper-bounds.sf 2 years ago