9142857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 14044160

約数和(自身を除く): 4901303

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 421, 1143, 1263, 2413, 3789, 7239, 7999, 21717, 23997, 53467, 71991, 160401, 481203, 1015873, 3047619, 9142857]

約数ペア:

[(1, 9142857), (3, 3047619), (9, 1015873), (19, 481203), (57, 160401), (127, 71991), (171, 53467), (381, 23997), (421, 21717), (1143, 7999), (1263, 7239), (2413, 3789)]