28303653

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 44900352

約数和(自身を除く): 16596699

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 463, 497, 861, 1389, 1491, 2911, 3241, 8733, 9723, 18983, 20377, 32873, 56949, 61131, 98619, 132881, 230111, 398643, 690333, 1347793, 4043379, 9434551, 28303653]

約数ペア:

[(1, 28303653), (3, 9434551), (7, 4043379), (21, 1347793), (41, 690333), (71, 398643), (123, 230111), (213, 132881), (287, 98619), (463, 61131), (497, 56949), (861, 32873), (1389, 20377), (1491, 18983), (2911, 9723), (3241, 8733)]