28067391

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:166

約数の個数: 60

約数和(自身を含む): 49034040

約数和(自身を除く): 20966649

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 109, 153, 187, 289, 297, 327, 459, 561, 867, 891, 981, 1199, 1377, 1683, 1853, 2601, 2943, 3179, 3597, 5049, 5559, 7803, 8829, 9537, 10791, 15147, 16677, 20383, 23409, 28611, 31501, 32373, 50031, 61149, 85833, 94503, 97119, 150093, 183447, 257499, 283509, 346511, 550341, 850527, 1039533, 1651023, 2551581, 3118599, 9355797, 28067391]

約数ペア:

[(1, 28067391), (3, 9355797), (9, 3118599), (11, 2551581), (17, 1651023), (27, 1039533), (33, 850527), (51, 550341), (81, 346511), (99, 283509), (109, 257499), (153, 183447), (187, 150093), (289, 97119), (297, 94503), (327, 85833), (459, 61149), (561, 50031), (867, 32373), (891, 31501), (981, 28611), (1199, 23409), (1377, 20383), (1683, 16677), (1853, 15147), (2601, 10791), (2943, 9537), (3179, 8829), (3597, 7803), (5049, 5559)]