27840393

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 47249280

約数和(自身を除く): 19408887

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 239, 301, 387, 717, 903, 1673, 1849, 2151, 2709, 5019, 5547, 10277, 12943, 15057, 16641, 30831, 38829, 71939, 92493, 116487, 215817, 441911, 647451, 1325733, 3093377, 3977199, 9280131, 27840393]

約数ペア:

[(1, 27840393), (3, 9280131), (7, 3977199), (9, 3093377), (21, 1325733), (43, 647451), (63, 441911), (129, 215817), (239, 116487), (301, 92493), (387, 71939), (717, 38829), (903, 30831), (1673, 16641), (1849, 15057), (2151, 12943), (2709, 10277), (5019, 5547)]