27748665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 55456128

約数和(自身を除く): 27707463

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 137, 315, 411, 643, 685, 959, 1233, 1929, 2055, 2877, 3215, 4501, 4795, 5787, 6165, 8631, 9645, 13503, 14385, 22505, 28935, 40509, 43155, 67515, 88091, 202545, 264273, 440455, 616637, 792819, 1321365, 1849911, 3083185, 3964095, 5549733, 9249555, 27748665]

約数ペア:

[(1, 27748665), (3, 9249555), (5, 5549733), (7, 3964095), (9, 3083185), (15, 1849911), (21, 1321365), (35, 792819), (45, 616637), (63, 440455), (105, 264273), (137, 202545), (315, 88091), (411, 67515), (643, 43155), (685, 40509), (959, 28935), (1233, 22505), (1929, 14385), (2055, 13503), (2877, 9645), (3215, 8631), (4501, 6165), (4795, 5787)]