1891351

素因数分解:

$7^2\times {\mathrm{11}}^3\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 24

約数和(自身を含む): 2503440

約数和(自身を除く): 612089

約数列:

[1, 7, 11, 29, 49, 77, 121, 203, 319, 539, 847, 1331, 1421, 2233, 3509, 5929, 9317, 15631, 24563, 38599, 65219, 171941, 270193, 1891351]

約数ペア:

[(1, 1891351), (7, 270193), (11, 171941), (29, 65219), (49, 38599), (77, 24563), (121, 15631), (203, 9317), (319, 5929), (539, 3509), (847, 2233), (1331, 1421)]