3990217

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{673}}^1$

素因数の和:709

約数の個数: 18

約数和(自身を含む): 5109594

約数和(自身を除く): 1119377

約数列:

[1, 7, 11, 49, 77, 121, 539, 673, 847, 4711, 5929, 7403, 32977, 51821, 81433, 362747, 570031, 3990217]

約数ペア:

[(1, 3990217), (7, 570031), (11, 362747), (49, 81433), (77, 51821), (121, 32977), (539, 7403), (673, 5929), (847, 4711)]