2981043

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 5082000

約数和(自身を除く): 2100957

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 149, 171, 247, 351, 447, 513, 741, 1053, 1341, 1539, 1937, 2223, 2831, 4023, 5811, 6669, 8493, 12069, 17433, 20007, 25479, 36803, 52299, 76437, 110409, 156897, 229311, 331227, 993681, 2981043]

約数ペア:

[(1, 2981043), (3, 993681), (9, 331227), (13, 229311), (19, 156897), (27, 110409), (39, 76437), (57, 52299), (81, 36803), (117, 25479), (149, 20007), (171, 17433), (247, 12069), (351, 8493), (447, 6669), (513, 5811), (741, 4023), (1053, 2831), (1341, 2223), (1539, 1937)]