40904171

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{6899}}^1$

素因数の和:6935

約数の個数: 18

約数和(自身を含む): 52308900

約数和(自身を除く): 11404729

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 6899, 48293, 75889, 338051, 531223, 834779, 3718561, 5843453, 40904171]

約数ペア:

[(1, 40904171), (7, 5843453), (11, 3718561), (49, 834779), (77, 531223), (121, 338051), (539, 75889), (847, 48293), (5929, 6899)]