28970415

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8819}}^1$

素因数の和:8903

約数の個数: 24

約数和(自身を含む): 50909040

約数和(自身を除く): 21938625

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8819, 26457, 44095, 79371, 132285, 396855, 643787, 1931361, 3218935, 5794083, 9656805, 28970415]

約数ペア:

[(1, 28970415), (3, 9656805), (5, 5794083), (9, 3218935), (15, 1931361), (45, 643787), (73, 396855), (219, 132285), (365, 79371), (657, 44095), (1095, 26457), (3285, 8819)]