85778889

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{997}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 139113216

約数和(自身を除く): 53334327

約数列:

[1, 3, 7, 17, 21, 51, 119, 241, 357, 723, 997, 1687, 2991, 4097, 5061, 6979, 12291, 16949, 20937, 28679, 50847, 86037, 118643, 240277, 355929, 720831, 1681939, 4084709, 5045817, 12254127, 28592963, 85778889]

約数ペア:

[(1, 85778889), (3, 28592963), (7, 12254127), (17, 5045817), (21, 4084709), (51, 1681939), (119, 720831), (241, 355929), (357, 240277), (723, 118643), (997, 86037), (1687, 50847), (2991, 28679), (4097, 20937), (5061, 16949), (6979, 12291)]