277940259

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{106859}}^1$

素因数の和:106899

約数の個数: 18

約数和(自身を含む): 426478260

約数和(自身を除く): 148538001

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 106859, 320577, 961731, 1816603, 5449809, 16349427, 30882251, 92646753, 277940259]

約数ペア:

[(1, 277940259), (3, 92646753), (9, 30882251), (17, 16349427), (51, 5449809), (153, 1816603), (289, 961731), (867, 320577), (2601, 106859)]