31109715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 67931136

約数和(自身を除く): 36821421

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 71, 91, 105, 107, 117, 195, 213, 273, 315, 321, 355, 455, 497, 535, 585, 639, 749, 819, 923, 963, 1065, 1365, 1391, 1491, 1605, 2247, 2485, 2769, 3195, 3745, 4095, 4173, 4473, 4615, 4815, 6461, 6741, 6955, 7455, 7597, 8307, 9737, 11235, 12519, 13845, 19383, 20865, 22365, 22791, 29211, 32305, 33705, 37985, 41535, 48685, 53179, 58149, 62595, 68373, 87633, 96915, 98761, 113955, 146055, 159537, 265895, 290745, 296283, 341865, 438165, 478611, 493805, 691327, 797685, 888849, 1481415, 2073981, 2393055, 3456635, 4444245, 6221943, 10369905, 31109715]

約数ペア:

[(1, 31109715), (3, 10369905), (5, 6221943), (7, 4444245), (9, 3456635), (13, 2393055), (15, 2073981), (21, 1481415), (35, 888849), (39, 797685), (45, 691327), (63, 493805), (65, 478611), (71, 438165), (91, 341865), (105, 296283), (107, 290745), (117, 265895), (195, 159537), (213, 146055), (273, 113955), (315, 98761), (321, 96915), (355, 87633), (455, 68373), (497, 62595), (535, 58149), (585, 53179), (639, 48685), (749, 41535), (819, 37985), (923, 33705), (963, 32305), (1065, 29211), (1365, 22791), (1391, 22365), (1491, 20865), (1605, 19383), (2247, 13845), (2485, 12519), (2769, 11235), (3195, 9737), (3745, 8307), (4095, 7597), (4173, 7455), (4473, 6955), (4615, 6741), (4815, 6461)]