439965981

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 831546144

約数和(自身を除く): 391580163

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 43, 63, 91, 93, 117, 129, 169, 217, 273, 279, 301, 387, 403, 507, 559, 651, 819, 903, 961, 1183, 1209, 1333, 1521, 1677, 1953, 2709, 2821, 2883, 3549, 3627, 3913, 3999, 5031, 5239, 6727, 7267, 8463, 8649, 9331, 10647, 11739, 11997, 12493, 15717, 17329, 20181, 21801, 25389, 27993, 35217, 36673, 37479, 41323, 47151, 50869, 51987, 60543, 65403, 83979, 87451, 110019, 112437, 121303, 123969, 152607, 155961, 162409, 225277, 262353, 289261, 330057, 363909, 371907, 457821, 487227, 537199, 675831, 787059, 867783, 1091727, 1136863, 1461681, 1576939, 1611597, 2027493, 2603349, 3410589, 3760393, 4730817, 4834791, 6983587, 10231767, 11281179, 14192451, 20950761, 33843537, 48885109, 62852283, 146655327, 439965981]

約数ペア:

[(1, 439965981), (3, 146655327), (7, 62852283), (9, 48885109), (13, 33843537), (21, 20950761), (31, 14192451), (39, 11281179), (43, 10231767), (63, 6983587), (91, 4834791), (93, 4730817), (117, 3760393), (129, 3410589), (169, 2603349), (217, 2027493), (273, 1611597), (279, 1576939), (301, 1461681), (387, 1136863), (403, 1091727), (507, 867783), (559, 787059), (651, 675831), (819, 537199), (903, 487227), (961, 457821), (1183, 371907), (1209, 363909), (1333, 330057), (1521, 289261), (1677, 262353), (1953, 225277), (2709, 162409), (2821, 155961), (2883, 152607), (3549, 123969), (3627, 121303), (3913, 112437), (3999, 110019), (5031, 87451), (5239, 83979), (6727, 65403), (7267, 60543), (8463, 51987), (8649, 50869), (9331, 47151), (10647, 41323), (11739, 37479), (11997, 36673), (12493, 35217), (15717, 27993), (17329, 25389), (20181, 21801)]