199906329

素因数分解:

$3^1\times 7^2\times {\mathrm{761}}^1\times {\mathrm{1787}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 310639968

約数和(自身を除く): 110733639

約数列:

[1, 3, 7, 21, 49, 147, 761, 1787, 2283, 5327, 5361, 12509, 15981, 37289, 37527, 87563, 111867, 262689, 1359907, 4079721, 9519349, 28558047, 66635443, 199906329]

約数ペア:

[(1, 199906329), (3, 66635443), (7, 28558047), (21, 9519349), (49, 4079721), (147, 1359907), (761, 262689), (1787, 111867), (2283, 87563), (5327, 37527), (5361, 37289), (12509, 15981)]