398045259

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{289067}}^1$

素因数の和:289096

約数の個数: 20

約数和(自身を含む): 629590104

約数和(自身を除く): 231544845

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 289067, 867201, 2601603, 4914139, 7804809, 14742417, 23414427, 44227251, 132681753, 398045259]

約数ペア:

[(1, 398045259), (3, 132681753), (9, 44227251), (17, 23414427), (27, 14742417), (51, 7804809), (81, 4914139), (153, 2601603), (459, 867201), (1377, 289067)]