993681

素因数分解:

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

素因数の和:190

約数の個数: 32

約数和(自身を含む): 1680000

約数和(自身を除く): 686319

約数列:

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

約数ペア:

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