216719973

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{2437}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 322137816

約数和(自身を除く): 105417843

約数列:

[1, 3, 9, 41, 123, 241, 369, 723, 2169, 2437, 7311, 9881, 21933, 29643, 88929, 99917, 299751, 587317, 899253, 1761951, 5285853, 24079997, 72239991, 216719973]

約数ペア:

[(1, 216719973), (3, 72239991), (9, 24079997), (41, 5285853), (123, 1761951), (241, 899253), (369, 587317), (723, 299751), (2169, 99917), (2437, 88929), (7311, 29643), (9881, 21933)]