17288997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 26210304

約数和(自身を除く): 8921307

約数列:

[1, 3, 11, 33, 47, 71, 141, 157, 213, 471, 517, 781, 1551, 1727, 2343, 3337, 5181, 7379, 10011, 11147, 22137, 33441, 36707, 81169, 110121, 122617, 243507, 367851, 523909, 1571727, 5762999, 17288997]

約数ペア:

[(1, 17288997), (3, 5762999), (11, 1571727), (33, 523909), (47, 367851), (71, 243507), (141, 122617), (157, 110121), (213, 81169), (471, 36707), (517, 33441), (781, 22137), (1551, 11147), (1727, 10011), (2343, 7379), (3337, 5181)]