402821991

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 717171840

約数和(自身を除く): 314349849

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 83, 99, 117, 143, 249, 297, 351, 419, 429, 747, 891, 913, 1053, 1079, 1257, 1287, 2241, 2739, 3237, 3771, 3861, 4609, 5447, 6723, 8217, 9711, 11313, 11583, 11869, 13827, 16341, 24651, 29133, 33939, 34777, 35607, 41481, 49023, 59917, 73953, 87399, 104331, 106821, 124443, 147069, 179751, 312993, 320463, 373329, 382547, 441207, 452101, 539253, 938979, 961389, 1147641, 1356303, 1617759, 2816937, 3442923, 4068909, 4853277, 4973111, 10328769, 12206727, 14919333, 30986307, 36620181, 44757999, 134273997, 402821991]

約数ペア:

[(1, 402821991), (3, 134273997), (9, 44757999), (11, 36620181), (13, 30986307), (27, 14919333), (33, 12206727), (39, 10328769), (81, 4973111), (83, 4853277), (99, 4068909), (117, 3442923), (143, 2816937), (249, 1617759), (297, 1356303), (351, 1147641), (419, 961389), (429, 938979), (747, 539253), (891, 452101), (913, 441207), (1053, 382547), (1079, 373329), (1257, 320463), (1287, 312993), (2241, 179751), (2739, 147069), (3237, 124443), (3771, 106821), (3861, 104331), (4609, 87399), (5447, 73953), (6723, 59917), (8217, 49023), (9711, 41481), (11313, 35607), (11583, 34777), (11869, 33939), (13827, 29133), (16341, 24651)]