209508717

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 312007680

約数和(自身を除く): 102498963

約数列:

[1, 3, 11, 33, 71, 121, 213, 363, 739, 781, 1331, 2217, 2343, 3993, 8129, 8591, 24387, 25773, 52469, 89419, 94501, 157407, 268257, 283503, 577159, 983609, 1731477, 2950827, 6348749, 19046247, 69836239, 209508717]

約数ペア:

[(1, 209508717), (3, 69836239), (11, 19046247), (33, 6348749), (71, 2950827), (121, 1731477), (213, 983609), (363, 577159), (739, 283503), (781, 268257), (1331, 157407), (2217, 94501), (2343, 89419), (3993, 52469), (8129, 25773), (8591, 24387)]