217755593

素因数分解:

${\mathrm{11}}^4\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 20

約数和(自身を含む): 243507600

約数和(自身を除く): 25752007

約数列:

[1, 11, 107, 121, 139, 1177, 1331, 1529, 12947, 14641, 14873, 16819, 142417, 163603, 185009, 1566587, 1799633, 2035099, 19795963, 217755593]

約数ペア:

[(1, 217755593), (11, 19795963), (107, 2035099), (121, 1799633), (139, 1566587), (1177, 185009), (1331, 163603), (1529, 142417), (12947, 16819), (14641, 14873)]