828306549

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{305761}}^1$

素因数の和:305817

約数の個数: 24

約数和(自身を含む): 1399166912

約数和(自身を除く): 570860363

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 305761, 917283, 2140327, 2751849, 6420981, 13147723, 19262943, 39443169, 92034061, 118329507, 276102183, 828306549]

約数ペア:

[(1, 828306549), (3, 276102183), (7, 118329507), (9, 92034061), (21, 39443169), (43, 19262943), (63, 13147723), (129, 6420981), (301, 2751849), (387, 2140327), (903, 917283), (2709, 305761)]