78991689

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 126074880

約数和(自身を除く): 47083191

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 1709, 2201, 5127, 6603, 11963, 15407, 35889, 46221, 52979, 121339, 158937, 364017, 370853, 849373, 1112559, 2548119, 3761509, 11284527, 26330563, 78991689]

約数ペア:

[(1, 78991689), (3, 26330563), (7, 11284527), (21, 3761509), (31, 2548119), (71, 1112559), (93, 849373), (213, 370853), (217, 364017), (497, 158937), (651, 121339), (1491, 52979), (1709, 46221), (2201, 35889), (5127, 15407), (6603, 11963)]