16872381

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{12253}}^1$

素因数の和:12282

約数の個数: 20

約数和(自身を含む): 26689212

約数和(自身を除く): 9816831

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 12253, 36759, 110277, 208301, 330831, 624903, 992493, 1874709, 5624127, 16872381]

約数ペア:

[(1, 16872381), (3, 5624127), (9, 1874709), (17, 992493), (27, 624903), (51, 330831), (81, 208301), (153, 110277), (459, 36759), (1377, 12253)]