27720474621

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2239}}^1\times {\mathrm{25633}}^1$

素因数の和:27905

約数の個数: 32

約数和(自身を含む): 44098682880

約数和(自身を除く): 16378208259

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 2239, 6717, 15673, 25633, 47019, 51497, 76899, 154491, 179431, 360479, 538293, 589559, 1081437, 1768677, 4126913, 12380739, 57392287, 172176861, 401746009, 1205238027, 1320022601, 3960067803, 9240158207, 27720474621]

約数ペア:

[(1, 27720474621), (3, 9240158207), (7, 3960067803), (21, 1320022601), (23, 1205238027), (69, 401746009), (161, 172176861), (483, 57392287), (2239, 12380739), (6717, 4126913), (15673, 1768677), (25633, 1081437), (47019, 589559), (51497, 538293), (76899, 360479), (154491, 179431)]