213684457

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{9203}}^1$

素因数の和:9348

約数の個数: 16

約数和(自身を含む): 254472192

約数和(自身を除く): 40787735

約数列:

[1, 7, 31, 107, 217, 749, 3317, 9203, 23219, 64421, 285293, 984721, 1997051, 6893047, 30526351, 213684457]

約数ペア:

[(1, 213684457), (7, 30526351), (31, 6893047), (107, 1997051), (217, 984721), (749, 285293), (3317, 64421), (9203, 23219)]