211375437

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40751}}^1$

素因数の和:40793

約数の個数: 32

約数和(自身を含む): 365137920

約数和(自身を除く): 153762483

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 40751, 122253, 285257, 529763, 774269, 855771, 1589289, 2322807, 3708341, 5419883, 10065497, 11125023, 16259649, 30196491, 70458479, 211375437]

約数ペア:

[(1, 211375437), (3, 70458479), (7, 30196491), (13, 16259649), (19, 11125023), (21, 10065497), (39, 5419883), (57, 3708341), (91, 2322807), (133, 1589289), (247, 855771), (273, 774269), (399, 529763), (741, 285257), (1729, 122253), (5187, 40751)]