| 약수 |
1,
2,
3,
4,
6,
7,
9,
12,
14,
18,
21,
28,
36,
42,
63,
84,
126,
252,
443,
886,
1329,
1772,
2658,
3101,
3987,
5316,
6202,
7974,
9303,
12404,
15948,
18606,
21649,
27909,
37212,
43298,
55818,
64947,
86596,
111636,
129894,
151543,
194841,
259788,
303086,
389682,
454629,
606172,
779364,
909258,
1363887,
1818516,
2727774,
5455548,
9590507,
19181014,
28771521,
38362028,
57543042,
67133549,
86314563,
115086084,
134267098,
172629126,
201400647,
268534196,
345258252,
402801294,
604201941,
805602588,
1208403882,
2416807764
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