247996281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3331}}^1$

素因数の和:3453

約数の個数: 32

約数和(自身を含む): 376169472

約数和(自身を除く): 128173191

約数列:

[1, 3, 13, 23, 39, 69, 83, 249, 299, 897, 1079, 1909, 3237, 3331, 5727, 9993, 24817, 43303, 74451, 76613, 129909, 229839, 276473, 829419, 995969, 2987907, 3594149, 6358879, 10782447, 19076637, 82665427, 247996281]

約数ペア:

[(1, 247996281), (3, 82665427), (13, 19076637), (23, 10782447), (39, 6358879), (69, 3594149), (83, 2987907), (249, 995969), (299, 829419), (897, 276473), (1079, 229839), (1909, 129909), (3237, 76613), (3331, 74451), (5727, 43303), (9993, 24817)]