28040085

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{337}}^1$

素因数の和:434

約数の個数: 36

約数和(自身を含む): 49907052

約数和(自身を除く): 21866967

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 337, 387, 645, 1011, 1685, 1849, 1935, 3033, 5055, 5547, 9245, 14491, 15165, 16641, 27735, 43473, 72455, 83205, 130419, 217365, 623113, 652095, 1869339, 3115565, 5608017, 9346695, 28040085]

約数ペア:

[(1, 28040085), (3, 9346695), (5, 5608017), (9, 3115565), (15, 1869339), (43, 652095), (45, 623113), (129, 217365), (215, 130419), (337, 83205), (387, 72455), (645, 43473), (1011, 27735), (1685, 16641), (1849, 15165), (1935, 14491), (3033, 9245), (5055, 5547)]