281963187

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13759}}^1$

素因数の和:13805

約数の個数: 40

約数和(自身を含む): 479508480

約数和(自身を除く): 197545293

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 891, 1863, 2277, 6831, 13759, 20493, 41277, 123831, 151349, 316457, 371493, 454047, 949371, 1114479, 1362141, 2848113, 3481027, 4086423, 8544339, 10443081, 12259269, 25633017, 31329243, 93987729, 281963187]

約数ペア:

[(1, 281963187), (3, 93987729), (9, 31329243), (11, 25633017), (23, 12259269), (27, 10443081), (33, 8544339), (69, 4086423), (81, 3481027), (99, 2848113), (207, 1362141), (253, 1114479), (297, 949371), (621, 454047), (759, 371493), (891, 316457), (1863, 151349), (2277, 123831), (6831, 41277), (13759, 20493)]