208552959

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{3547}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 309953280

約数和(自身を除く): 101400321

約数列:

[1, 3, 9, 47, 139, 141, 417, 423, 1251, 3547, 6533, 10641, 19599, 31923, 58797, 166709, 493033, 500127, 1479099, 1500381, 4437297, 23172551, 69517653, 208552959]

約数ペア:

[(1, 208552959), (3, 69517653), (9, 23172551), (47, 4437297), (139, 1500381), (141, 1479099), (417, 500127), (423, 493033), (1251, 166709), (3547, 58797), (6533, 31923), (10641, 19599)]