4050405

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 7413912

約数和(自身を除く): 3363507

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 137, 219, 365, 405, 411, 657, 685, 1095, 1233, 1971, 2055, 3285, 3699, 5913, 6165, 9855, 10001, 11097, 18495, 29565, 30003, 50005, 55485, 90009, 150015, 270027, 450045, 810081, 1350135, 4050405]

約数ペア:

[(1, 4050405), (3, 1350135), (5, 810081), (9, 450045), (15, 270027), (27, 150015), (45, 90009), (73, 55485), (81, 50005), (135, 30003), (137, 29565), (219, 18495), (365, 11097), (405, 10001), (411, 9855), (657, 6165), (685, 5913), (1095, 3699), (1233, 3285), (1971, 2055)]