A143719-OEIS公司

A143719号

设n=Product_{p}p^e_p是n的素因式分解，M=max{e_p}。那么n是序列iff中的n，对于范围2<=q<=M内的所有素数q，我们有e_q>=Sum_{r}下限（log_q（e_r+1））。

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