256737519

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3322

約数の個数: 48

約数和(自身を含む): 428762880

約数和(自身を除く): 172025361

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 243, 323, 459, 513, 969, 1377, 1539, 2907, 3271, 4131, 4617, 8721, 9813, 26163, 29439, 55607, 62149, 78489, 88317, 166821, 186447, 264951, 500463, 559341, 794853, 1056533, 1501389, 1678023, 3169599, 4504167, 5034069, 9508797, 13512501, 15102207, 28526391, 85579173, 256737519]

約数ペア:

[(1, 256737519), (3, 85579173), (9, 28526391), (17, 15102207), (19, 13512501), (27, 9508797), (51, 5034069), (57, 4504167), (81, 3169599), (153, 1678023), (171, 1501389), (243, 1056533), (323, 794853), (459, 559341), (513, 500463), (969, 264951), (1377, 186447), (1539, 166821), (2907, 88317), (3271, 78489), (4131, 62149), (4617, 55607), (8721, 29439), (9813, 26163)]