81042543

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{12809}}^1$

素因数の和:12871

約数の個数: 24

約数和(自身を含む): 126562800

約数和(自身を除く): 45520257

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 6327, 12809, 38427, 115281, 243371, 473933, 730113, 1421799, 2190339, 4265397, 9004727, 27014181, 81042543]

約数ペア:

[(1, 81042543), (3, 27014181), (9, 9004727), (19, 4265397), (37, 2190339), (57, 1421799), (111, 730113), (171, 473933), (333, 243371), (703, 115281), (2109, 38427), (6327, 12809)]