17939459727

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{2833}}^1$

素因数の和:3109

約数の個数: 72

約数和(自身を含む): 30693512304

約数和(自身を除く): 12754052577

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 173, 249, 441, 519, 581, 747, 1211, 1557, 1743, 2833, 3633, 4067, 5229, 8477, 8499, 10899, 12201, 14359, 19831, 25431, 25497, 36603, 43077, 59493, 76293, 100513, 129231, 138817, 178479, 235139, 301539, 416451, 490109, 703591, 705417, 904617, 1249353, 1470327, 1645973, 2110773, 2116251, 3430763, 4410981, 4937919, 6332319, 10292289, 11521811, 14813757, 24015341, 30876867, 34565433, 40679047, 72046023, 103696299, 122037141, 216138069, 284753329, 366111423, 854259987, 1993273303, 2562779961, 5979819909, 17939459727]

約数ペア:

[(1, 17939459727), (3, 5979819909), (7, 2562779961), (9, 1993273303), (21, 854259987), (49, 366111423), (63, 284753329), (83, 216138069), (147, 122037141), (173, 103696299), (249, 72046023), (441, 40679047), (519, 34565433), (581, 30876867), (747, 24015341), (1211, 14813757), (1557, 11521811), (1743, 10292289), (2833, 6332319), (3633, 4937919), (4067, 4410981), (5229, 3430763), (8477, 2116251), (8499, 2110773), (10899, 1645973), (12201, 1470327), (14359, 1249353), (19831, 904617), (25431, 705417), (25497, 703591), (36603, 490109), (43077, 416451), (59493, 301539), (76293, 235139), (100513, 178479), (129231, 138817)]