2808729

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 5307840

約数和(自身を除く): 2499111

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 193, 231, 297, 441, 539, 579, 693, 1323, 1351, 1617, 1737, 2079, 2123, 4053, 4851, 5211, 6369, 9457, 12159, 14553, 14861, 19107, 28371, 36477, 44583, 57321, 85113, 104027, 133749, 255339, 312081, 401247, 936243, 2808729]

約数ペア:

[(1, 2808729), (3, 936243), (7, 401247), (9, 312081), (11, 255339), (21, 133749), (27, 104027), (33, 85113), (49, 57321), (63, 44583), (77, 36477), (99, 28371), (147, 19107), (189, 14861), (193, 14553), (231, 12159), (297, 9457), (441, 6369), (539, 5211), (579, 4851), (693, 4053), (1323, 2123), (1351, 2079), (1617, 1737)]