18065421

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 29316924

約数和(自身を除く): 11251503

約数列:

[1, 3, 9, 11, 33, 53, 99, 121, 159, 313, 363, 477, 583, 939, 1089, 1749, 2817, 3443, 5247, 6413, 10329, 16589, 19239, 30987, 37873, 49767, 57717, 113619, 149301, 182479, 340857, 547437, 1642311, 2007269, 6021807, 18065421]

約数ペア:

[(1, 18065421), (3, 6021807), (9, 2007269), (11, 1642311), (33, 547437), (53, 340857), (99, 182479), (121, 149301), (159, 113619), (313, 57717), (363, 49767), (477, 37873), (583, 30987), (939, 19239), (1089, 16589), (1749, 10329), (2817, 6413), (3443, 5247)]