47171761

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 60480000

約数和(自身を除く): 13308239

約数列:

[1, 7, 13, 49, 71, 91, 149, 343, 497, 637, 923, 1043, 1937, 3479, 4459, 6461, 7301, 10579, 13559, 24353, 45227, 51107, 74053, 94913, 137527, 316589, 518371, 664391, 962689, 3628597, 6738823, 47171761]

約数ペア:

[(1, 47171761), (7, 6738823), (13, 3628597), (49, 962689), (71, 664391), (91, 518371), (149, 316589), (343, 137527), (497, 94913), (637, 74053), (923, 51107), (1043, 45227), (1937, 24353), (3479, 13559), (4459, 10579), (6461, 7301)]