280069245

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9473}}^1$

素因数の和:9563

約数の個数: 40

約数和(自身を含む): 508981176

約数和(自身を除く): 228911931

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 3285, 5913, 9473, 9855, 28419, 29565, 47365, 85257, 142095, 255771, 426285, 691529, 767313, 1278855, 2074587, 3457645, 3836565, 6223761, 10372935, 18671283, 31118805, 56013849, 93356415, 280069245]

約数ペア:

[(1, 280069245), (3, 93356415), (5, 56013849), (9, 31118805), (15, 18671283), (27, 10372935), (45, 6223761), (73, 3836565), (81, 3457645), (135, 2074587), (219, 1278855), (365, 767313), (405, 691529), (657, 426285), (1095, 255771), (1971, 142095), (3285, 85257), (5913, 47365), (9473, 29565), (9855, 28419)]