199857

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 315392

約数和(自身を除く): 115535

約数列:

[1, 3, 7, 21, 31, 93, 217, 307, 651, 921, 2149, 6447, 9517, 28551, 66619, 199857]

約数ペア:

[(1, 199857), (3, 66619), (7, 28551), (21, 9517), (31, 6447), (93, 2149), (217, 921), (307, 651)]