18307757517

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1777}}^1\times {\mathrm{3863}}^1$

素因数の和:5777

約数の個数: 32

約数和(自身を含む): 28140306432

約数和(自身を除く): 9832548915

約数列:

[1, 3, 7, 21, 127, 381, 889, 1777, 2667, 3863, 5331, 11589, 12439, 27041, 37317, 81123, 225679, 490601, 677037, 1471803, 1579753, 3434207, 4739259, 6864551, 10302621, 20593653, 48051857, 144155571, 871797977, 2615393931, 6102585839, 18307757517]

約数ペア:

[(1, 18307757517), (3, 6102585839), (7, 2615393931), (21, 871797977), (127, 144155571), (381, 48051857), (889, 20593653), (1777, 10302621), (2667, 6864551), (3863, 4739259), (5331, 3434207), (11589, 1579753), (12439, 1471803), (27041, 677037), (37317, 490601), (81123, 225679)]