78753339

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4153}}^1$

素因数の和:4216

約数の個数: 36

約数和(自身を含む): 135437016

約数和(自身を除く): 56683677

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 4153, 6321, 12459, 18963, 29071, 37377, 87213, 178579, 203497, 261639, 535737, 610491, 1250053, 1607211, 1831473, 3750159, 8750371, 11250477, 26251113, 78753339]

約数ペア:

[(1, 78753339), (3, 26251113), (7, 11250477), (9, 8750371), (21, 3750159), (43, 1831473), (49, 1607211), (63, 1250053), (129, 610491), (147, 535737), (301, 261639), (387, 203497), (441, 178579), (903, 87213), (2107, 37377), (2709, 29071), (4153, 18963), (6321, 12459)]