2906757

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 5216640

約数和(自身を除く): 2309883

約数列:

[1, 3, 7, 9, 21, 29, 37, 43, 63, 87, 111, 129, 203, 259, 261, 301, 333, 387, 609, 777, 903, 1073, 1247, 1591, 1827, 2331, 2709, 3219, 3741, 4773, 7511, 8729, 9657, 11137, 11223, 14319, 22533, 26187, 33411, 46139, 67599, 78561, 100233, 138417, 322973, 415251, 968919, 2906757]

約数ペア:

[(1, 2906757), (3, 968919), (7, 415251), (9, 322973), (21, 138417), (29, 100233), (37, 78561), (43, 67599), (63, 46139), (87, 33411), (111, 26187), (129, 22533), (203, 14319), (259, 11223), (261, 11137), (301, 9657), (333, 8729), (387, 7511), (609, 4773), (777, 3741), (903, 3219), (1073, 2709), (1247, 2331), (1591, 1827)]