The prime factor of a natural number is 7*11*13, what is the largest divisor of this natural number.
把一个自然数分解质因数是7*11*13，这个自然数的最大约数是多少．
<gadget id="calculator">7 * 11 * 13</gadget>
<output>1_001</output>

<result>1_001</result>