3988061

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:190

約数の個数: 20

約数和(自身を含む): 5109024

約数和(自身を除く): 1120963

約数列:

[1, 7, 11, 49, 77, 151, 343, 539, 1057, 1661, 2401, 3773, 7399, 11627, 26411, 51793, 81389, 362551, 569723, 3988061]

約数ペア:

[(1, 3988061), (7, 569723), (11, 362551), (49, 81389), (77, 51793), (151, 26411), (343, 11627), (539, 7399), (1057, 3773), (1661, 2401)]