9138745

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3391}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 13920768

約数和(自身を除く): 4782023

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 3391, 16955, 23737, 37301, 118685, 166159, 186505, 261107, 830795, 1305535, 1827749, 9138745]

約数ペア:

[(1, 9138745), (5, 1827749), (7, 1305535), (11, 830795), (35, 261107), (49, 186505), (55, 166159), (77, 118685), (245, 37301), (385, 23737), (539, 16955), (2695, 3391)]