28811307

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{44257}}^1$

素因数の和:44298

約数の個数: 16

約数和(自身を含む): 45320192

約数和(自身を除く): 16508885

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 44257, 132771, 309799, 929397, 1371967, 4115901, 9603769, 28811307]

約数ペア:

[(1, 28811307), (3, 9603769), (7, 4115901), (21, 1371967), (31, 929397), (93, 309799), (217, 132771), (651, 44257)]