16855857

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{12241}}^1$

素因数の和:12270

約数の個数: 20

約数和(自身を含む): 26663076

約数和(自身を除く): 9807219

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 12241, 36723, 110169, 208097, 330507, 624291, 991521, 1872873, 5618619, 16855857]

約数ペア:

[(1, 16855857), (3, 5618619), (9, 1872873), (17, 991521), (27, 624291), (51, 330507), (81, 208097), (153, 110169), (459, 36723), (1377, 12241)]