8920989

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 16799040

約数和(自身を除く): 7878051

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 613, 693, 1323, 1617, 1839, 2079, 4291, 4851, 5517, 6743, 12873, 14553, 16551, 20229, 30037, 38619, 47201, 60687, 90111, 115857, 141603, 182061, 270333, 330407, 424809, 810999, 991221, 1274427, 2973663, 8920989]

約数ペア:

[(1, 8920989), (3, 2973663), (7, 1274427), (9, 991221), (11, 810999), (21, 424809), (27, 330407), (33, 270333), (49, 182061), (63, 141603), (77, 115857), (99, 90111), (147, 60687), (189, 47201), (231, 38619), (297, 30037), (441, 20229), (539, 16551), (613, 14553), (693, 12873), (1323, 6743), (1617, 5517), (1839, 4851), (2079, 4291)]