521796249

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 900611712

約数和(自身を除く): 378815463

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 103, 117, 153, 221, 283, 309, 351, 459, 663, 849, 927, 1053, 1339, 1377, 1751, 1989, 2547, 2781, 3679, 4017, 4811, 5253, 5967, 7641, 8343, 11037, 12051, 14433, 15759, 17901, 22763, 22923, 29149, 33111, 36153, 43299, 47277, 62543, 68289, 87447, 99333, 108459, 129897, 141831, 187629, 204867, 262341, 297999, 378937, 389691, 495533, 562887, 614601, 787023, 1136811, 1486599, 1688661, 1843803, 2361069, 3410433, 4459797, 5065983, 6441929, 10231299, 13379391, 19325787, 30693897, 40138173, 57977361, 173932083, 521796249]

約数ペア:

[(1, 521796249), (3, 173932083), (9, 57977361), (13, 40138173), (17, 30693897), (27, 19325787), (39, 13379391), (51, 10231299), (81, 6441929), (103, 5065983), (117, 4459797), (153, 3410433), (221, 2361069), (283, 1843803), (309, 1688661), (351, 1486599), (459, 1136811), (663, 787023), (849, 614601), (927, 562887), (1053, 495533), (1339, 389691), (1377, 378937), (1751, 297999), (1989, 262341), (2547, 204867), (2781, 187629), (3679, 141831), (4017, 129897), (4811, 108459), (5253, 99333), (5967, 87447), (7641, 68289), (8343, 62543), (11037, 47277), (12051, 43299), (14433, 36153), (15759, 33111), (17901, 29149), (22763, 22923)]