251015085

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12479}}^1$

素因数の和:12642

約数の個数: 32

約数和(自身を含む): 449280000

約数和(自身を除く): 198264915

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 6705, 12479, 20115, 37437, 62395, 112311, 187185, 336933, 561555, 1684665, 1859371, 5578113, 9296855, 16734339, 27890565, 50203017, 83671695, 251015085]

約数ペア:

[(1, 251015085), (3, 83671695), (5, 50203017), (9, 27890565), (15, 16734339), (27, 9296855), (45, 5578113), (135, 1859371), (149, 1684665), (447, 561555), (745, 336933), (1341, 187185), (2235, 112311), (4023, 62395), (6705, 37437), (12479, 20115)]