2912139279

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1\times {\mathrm{1949}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 4947508800

約数和(自身を除く): 2035369521

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 641, 777, 1923, 1949, 2331, 4487, 5769, 5847, 13461, 13643, 17541, 23717, 40383, 40929, 71151, 72113, 122787, 166019, 213453, 216339, 498057, 504791, 649017, 1249309, 1494171, 1514373, 3747927, 4543119, 8745163, 11243781, 26235489, 46224433, 78706467, 138673299, 323571031, 416019897, 970713093, 2912139279]

約数ペア:

[(1, 2912139279), (3, 970713093), (7, 416019897), (9, 323571031), (21, 138673299), (37, 78706467), (63, 46224433), (111, 26235489), (259, 11243781), (333, 8745163), (641, 4543119), (777, 3747927), (1923, 1514373), (1949, 1494171), (2331, 1249309), (4487, 649017), (5769, 504791), (5847, 498057), (13461, 216339), (13643, 213453), (17541, 166019), (23717, 122787), (40383, 72113), (40929, 71151)]