209841387

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 355958784

約数和(自身を除く): 146117397

約数列:

[1, 3, 7, 17, 21, 31, 51, 67, 93, 119, 201, 217, 283, 357, 469, 527, 651, 849, 1139, 1407, 1581, 1981, 2077, 3417, 3689, 4811, 5943, 6231, 7973, 8773, 11067, 14433, 14539, 18961, 23919, 26319, 33677, 35309, 43617, 56883, 61411, 101031, 105927, 132727, 149141, 184233, 247163, 322337, 398181, 447423, 587791, 741489, 967011, 1043987, 1763373, 2256359, 3131961, 4114537, 6769077, 9992447, 12343611, 29977341, 69947129, 209841387]

約数ペア:

[(1, 209841387), (3, 69947129), (7, 29977341), (17, 12343611), (21, 9992447), (31, 6769077), (51, 4114537), (67, 3131961), (93, 2256359), (119, 1763373), (201, 1043987), (217, 967011), (283, 741489), (357, 587791), (469, 447423), (527, 398181), (651, 322337), (849, 247163), (1139, 184233), (1407, 149141), (1581, 132727), (1981, 105927), (2077, 101031), (3417, 61411), (3689, 56883), (4811, 43617), (5943, 35309), (6231, 33677), (7973, 26319), (8773, 23919), (11067, 18961), (14433, 14539)]