27991707

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1201}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 39637152

約数和(自身を除く): 11645445

約数列:

[1, 3, 17, 51, 457, 1201, 1371, 3603, 7769, 20417, 23307, 61251, 548857, 1646571, 9330569, 27991707]

約数ペア:

[(1, 27991707), (3, 9330569), (17, 1646571), (51, 548857), (457, 61251), (1201, 23307), (1371, 20417), (3603, 7769)]