311936859

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:957

約数の個数: 64

約数和(自身を含む): 536215680

約数和(自身を除く): 224278821

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 61, 117, 153, 183, 221, 351, 459, 549, 663, 793, 857, 1037, 1647, 1989, 2379, 2571, 3111, 5967, 7137, 7713, 9333, 11141, 13481, 14569, 21411, 23139, 27999, 33423, 40443, 43707, 52277, 100269, 121329, 131121, 156831, 189397, 300807, 363987, 393363, 470493, 568191, 679601, 888709, 1411479, 1704573, 2038803, 2666127, 5113719, 6116409, 7998381, 11553217, 18349227, 23995143, 34659651, 103978953, 311936859]

約数ペア:

[(1, 311936859), (3, 103978953), (9, 34659651), (13, 23995143), (17, 18349227), (27, 11553217), (39, 7998381), (51, 6116409), (61, 5113719), (117, 2666127), (153, 2038803), (183, 1704573), (221, 1411479), (351, 888709), (459, 679601), (549, 568191), (663, 470493), (793, 393363), (857, 363987), (1037, 300807), (1647, 189397), (1989, 156831), (2379, 131121), (2571, 121329), (3111, 100269), (5967, 52277), (7137, 43707), (7713, 40443), (9333, 33423), (11141, 27999), (13481, 23139), (14569, 21411)]