27971001

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 56

約数和(自身を含む): 46351944

約数和(自身を除く): 18380943

約数列:

[1, 3, 9, 17, 27, 37, 51, 61, 81, 111, 153, 183, 243, 333, 459, 549, 629, 729, 999, 1037, 1377, 1647, 1887, 2257, 2997, 3111, 4131, 4941, 5661, 6771, 8991, 9333, 12393, 14823, 16983, 20313, 26973, 27999, 38369, 44469, 50949, 60939, 83997, 115107, 152847, 182817, 251991, 345321, 458541, 548451, 755973, 1035963, 1645353, 3107889, 9323667, 27971001]

約数ペア:

[(1, 27971001), (3, 9323667), (9, 3107889), (17, 1645353), (27, 1035963), (37, 755973), (51, 548451), (61, 458541), (81, 345321), (111, 251991), (153, 182817), (183, 152847), (243, 115107), (333, 83997), (459, 60939), (549, 50949), (629, 44469), (729, 38369), (999, 27999), (1037, 26973), (1377, 20313), (1647, 16983), (1887, 14823), (2257, 12393), (2997, 9333), (3111, 8991), (4131, 6771), (4941, 5661)]