18245709

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 28938240

約数和(自身を除く): 10692531

約数列:

[1, 3, 9, 17, 27, 51, 127, 153, 313, 381, 459, 939, 1143, 2159, 2817, 3429, 5321, 6477, 8451, 15963, 19431, 39751, 47889, 58293, 119253, 143667, 357759, 675767, 1073277, 2027301, 6081903, 18245709]

約数ペア:

[(1, 18245709), (3, 6081903), (9, 2027301), (17, 1073277), (27, 675767), (51, 357759), (127, 143667), (153, 119253), (313, 58293), (381, 47889), (459, 39751), (939, 19431), (1143, 15963), (2159, 8451), (2817, 6477), (3429, 5321)]