291228213

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^2\times {\mathrm{139}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 401259040

約数和(自身を除く): 110030827

約数列:

[1, 3, 61, 107, 139, 183, 321, 417, 6527, 8479, 11449, 14873, 19581, 25437, 34347, 44619, 698389, 907253, 1591411, 2095167, 2721759, 4774233, 97076071, 291228213]

約数ペア:

[(1, 291228213), (3, 97076071), (61, 4774233), (107, 2721759), (139, 2095167), (183, 1591411), (321, 907253), (417, 698389), (6527, 44619), (8479, 34347), (11449, 25437), (14873, 19581)]