28475073

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6689}}^1$

素因数の和:6749

約数の個数: 24

約数和(自身を含む): 45920160

約数和(自身を除く): 17445087

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 6689, 20067, 60201, 73579, 220737, 287627, 662211, 862881, 2588643, 3163897, 9491691, 28475073]

約数ペア:

[(1, 28475073), (3, 9491691), (9, 3163897), (11, 2588643), (33, 862881), (43, 662211), (99, 287627), (129, 220737), (387, 73579), (473, 60201), (1419, 20067), (4257, 6689)]