208027521

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11621}}^1$

素因数の和:11663

約数の個数: 40

約数和(自身を含む): 354378024

約数和(自身を除く): 146350503

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1989, 5967, 11621, 17901, 34863, 104589, 151073, 197557, 313767, 453219, 592671, 941301, 1359657, 1778013, 2568241, 4078971, 5334039, 7704723, 12236913, 16002117, 23114169, 69342507, 208027521]

約数ペア:

[(1, 208027521), (3, 69342507), (9, 23114169), (13, 16002117), (17, 12236913), (27, 7704723), (39, 5334039), (51, 4078971), (81, 2568241), (117, 1778013), (153, 1359657), (221, 941301), (351, 592671), (459, 453219), (663, 313767), (1053, 197557), (1377, 151073), (1989, 104589), (5967, 34863), (11621, 17901)]