285859755

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 521015040

約数和(自身を除く): 235155285

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 139, 207, 345, 417, 695, 1035, 1251, 1987, 2085, 3197, 5961, 6255, 9591, 9935, 15985, 17883, 28773, 29805, 45701, 47955, 89415, 137103, 143865, 228505, 276193, 411309, 685515, 828579, 1380965, 2056545, 2485737, 4142895, 6352439, 12428685, 19057317, 31762195, 57171951, 95286585, 285859755]

約数ペア:

[(1, 285859755), (3, 95286585), (5, 57171951), (9, 31762195), (15, 19057317), (23, 12428685), (45, 6352439), (69, 4142895), (115, 2485737), (139, 2056545), (207, 1380965), (345, 828579), (417, 685515), (695, 411309), (1035, 276193), (1251, 228505), (1987, 143865), (2085, 137103), (3197, 89415), (5961, 47955), (6255, 45701), (9591, 29805), (9935, 28773), (15985, 17883)]