206579247

素因数分解:

$3^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{2687}}^1$

素因数の和:3227

約数の個数: 24

約数和(自身を含む): 321140736

約数和(自身を除く): 114561489

約数列:

[1, 3, 7, 21, 49, 147, 523, 1569, 2687, 3661, 8061, 10983, 18809, 25627, 56427, 76881, 131663, 394989, 1405301, 4215903, 9837107, 29511321, 68859749, 206579247]

約数ペア:

[(1, 206579247), (3, 68859749), (7, 29511321), (21, 9837107), (49, 4215903), (147, 1405301), (523, 394989), (1569, 131663), (2687, 76881), (3661, 56427), (8061, 25627), (10983, 18809)]