28077489

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 21274191

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 67, 83, 99, 153, 187, 201, 249, 297, 459, 561, 603, 737, 747, 913, 1139, 1411, 1683, 1809, 2211, 2241, 2739, 3417, 4233, 5049, 5561, 6633, 8217, 10251, 12529, 12699, 15521, 16683, 19899, 24651, 30753, 37587, 38097, 46563, 50049, 61171, 94537, 112761, 139689, 150147, 183513, 283611, 338283, 419067, 550539, 850833, 1039907, 1651617, 2552499, 3119721, 9359163, 28077489]

約数ペア:

[(1, 28077489), (3, 9359163), (9, 3119721), (11, 2552499), (17, 1651617), (27, 1039907), (33, 850833), (51, 550539), (67, 419067), (83, 338283), (99, 283611), (153, 183513), (187, 150147), (201, 139689), (249, 112761), (297, 94537), (459, 61171), (561, 50049), (603, 46563), (737, 38097), (747, 37587), (913, 30753), (1139, 24651), (1411, 19899), (1683, 16683), (1809, 15521), (2211, 12699), (2241, 12529), (2739, 10251), (3417, 8217), (4233, 6633), (5049, 5561)]