205587477

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 56

約数和(自身を含む): 333592344

約数和(自身を除く): 128004867

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 243, 313, 459, 477, 729, 901, 939, 1377, 1431, 2703, 2817, 4131, 4293, 5321, 8109, 8451, 12393, 12879, 15963, 16589, 24327, 25353, 38637, 47889, 49767, 72981, 76059, 143667, 149301, 218943, 228177, 282013, 431001, 447903, 656829, 846039, 1293003, 1343709, 2538117, 3879009, 4031127, 7614351, 12093381, 22843053, 68529159, 205587477]

約数ペア:

[(1, 205587477), (3, 68529159), (9, 22843053), (17, 12093381), (27, 7614351), (51, 4031127), (53, 3879009), (81, 2538117), (153, 1343709), (159, 1293003), (243, 846039), (313, 656829), (459, 447903), (477, 431001), (729, 282013), (901, 228177), (939, 218943), (1377, 149301), (1431, 143667), (2703, 76059), (2817, 72981), (4131, 49767), (4293, 47889), (5321, 38637), (8109, 25353), (8451, 24327), (12393, 16589), (12879, 15963)]