389797425

素因数分解:

$3^2\times 5^2\times {\mathrm{433}}^1\times {\mathrm{4001}}^1$

素因数の和:4450

約数の個数: 36

約数和(自身を含む): 699957804

約数和(自身を除く): 310160379

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 433, 1299, 2165, 3897, 4001, 6495, 10825, 12003, 19485, 20005, 32475, 36009, 60015, 97425, 100025, 180045, 300075, 900225, 1732433, 5197299, 8662165, 15591897, 25986495, 43310825, 77959485, 129932475, 389797425]

約数ペア:

[(1, 389797425), (3, 129932475), (5, 77959485), (9, 43310825), (15, 25986495), (25, 15591897), (45, 8662165), (75, 5197299), (225, 1732433), (433, 900225), (1299, 300075), (2165, 180045), (3897, 100025), (4001, 97425), (6495, 60015), (10825, 36009), (12003, 32475), (19485, 20005)]