28811121549

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2133683}}^1$

素因数の和:2134336

約数の個数: 16

約数和(自身を含む): 43970959872

約数和(自身を除く): 15159838323

約数列:

[1, 3, 7, 21, 643, 1929, 4501, 13503, 2133683, 6401049, 14935781, 44807343, 1371958169, 4115874507, 9603707183, 28811121549]

約数ペア:

[(1, 28811121549), (3, 9603707183), (7, 4115874507), (21, 1371958169), (643, 44807343), (1929, 14935781), (4501, 6401049), (13503, 2133683)]