199904523

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 359792640

約数和(自身を除く): 159888117

約数列:

[1, 3, 7, 13, 21, 23, 31, 39, 69, 79, 91, 93, 161, 169, 217, 237, 273, 299, 403, 483, 507, 553, 651, 713, 897, 1027, 1183, 1209, 1659, 1817, 2093, 2139, 2449, 2821, 3081, 3549, 3887, 4991, 5239, 5451, 6279, 7189, 7347, 8463, 9269, 11661, 12719, 13351, 14973, 15717, 17143, 21567, 23621, 27209, 27807, 31837, 36673, 38157, 40053, 51429, 56327, 64883, 70863, 81627, 93457, 95511, 110019, 120497, 165347, 168981, 194649, 222859, 280371, 307073, 361491, 394289, 413881, 496041, 668577, 732251, 843479, 921219, 1182867, 1241643, 2149511, 2196753, 2530437, 2897167, 5125757, 6448533, 8691501, 9519263, 15377271, 28557789, 66634841, 199904523]

約数ペア:

[(1, 199904523), (3, 66634841), (7, 28557789), (13, 15377271), (21, 9519263), (23, 8691501), (31, 6448533), (39, 5125757), (69, 2897167), (79, 2530437), (91, 2196753), (93, 2149511), (161, 1241643), (169, 1182867), (217, 921219), (237, 843479), (273, 732251), (299, 668577), (403, 496041), (483, 413881), (507, 394289), (553, 361491), (651, 307073), (713, 280371), (897, 222859), (1027, 194649), (1183, 168981), (1209, 165347), (1659, 120497), (1817, 110019), (2093, 95511), (2139, 93457), (2449, 81627), (2821, 70863), (3081, 64883), (3549, 56327), (3887, 51429), (4991, 40053), (5239, 38157), (5451, 36673), (6279, 31837), (7189, 27807), (7347, 27209), (8463, 23621), (9269, 21567), (11661, 17143), (12719, 15717), (13351, 14973)]