A natural number, the sum of its minimum factor, maximum factor and minimum multiple is exactly 2009, what is this number?
一个自然数，它的最小因数、最大因数、最小倍数之和恰好是2009，这个数是多少．
<gadget id="calculator">2_009 - 1</gadget>
<output>2_008</output>

<gadget id="calculator">2_008 / 2</gadget>
<output>1_004</output>

<result>1_004</result>