217326681

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{168863}}^1$

素因数の和:168893

約数の個数: 24

約数和(自身を含む): 368798976

約数和(自身を除く): 151472295

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 168863, 506589, 1519767, 1857493, 2195219, 5572479, 6585657, 16717437, 19756971, 24147409, 72442227, 217326681]

約数ペア:

[(1, 217326681), (3, 72442227), (9, 24147409), (11, 19756971), (13, 16717437), (33, 6585657), (39, 5572479), (99, 2195219), (117, 1857493), (143, 1519767), (429, 506589), (1287, 168863)]