218318373

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 399730968

約数和(自身を除く): 181412595

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 113, 117, 147, 273, 337, 339, 441, 637, 791, 819, 1011, 1017, 1469, 1911, 2359, 2373, 3033, 4381, 4407, 5537, 5733, 7077, 7119, 10283, 13143, 13221, 16513, 16611, 21231, 30667, 30849, 38081, 39429, 49539, 49833, 71981, 92001, 92547, 114243, 148617, 214669, 215943, 266567, 276003, 342729, 495053, 644007, 647829, 799701, 1485159, 1865969, 1932021, 2399103, 3465371, 4455477, 5597907, 10396113, 16793721, 24257597, 31188339, 72772791, 218318373]

約数ペア:

[(1, 218318373), (3, 72772791), (7, 31188339), (9, 24257597), (13, 16793721), (21, 10396113), (39, 5597907), (49, 4455477), (63, 3465371), (91, 2399103), (113, 1932021), (117, 1865969), (147, 1485159), (273, 799701), (337, 647829), (339, 644007), (441, 495053), (637, 342729), (791, 276003), (819, 266567), (1011, 215943), (1017, 214669), (1469, 148617), (1911, 114243), (2359, 92547), (2373, 92001), (3033, 71981), (4381, 49833), (4407, 49539), (5537, 39429), (5733, 38081), (7077, 30849), (7119, 30667), (10283, 21231), (13143, 16611), (13221, 16513)]