7856709

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 13406400

約数和(自身を除く): 5549691

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 97, 133, 147, 203, 291, 399, 551, 609, 679, 931, 1421, 1653, 1843, 2037, 2793, 2813, 3857, 4263, 4753, 5529, 8439, 11571, 12901, 14259, 19691, 26999, 38703, 53447, 59073, 80997, 90307, 137837, 160341, 270921, 374129, 413511, 1122387, 2618903, 7856709]

約数ペア:

[(1, 7856709), (3, 2618903), (7, 1122387), (19, 413511), (21, 374129), (29, 270921), (49, 160341), (57, 137837), (87, 90307), (97, 80997), (133, 59073), (147, 53447), (203, 38703), (291, 26999), (399, 19691), (551, 14259), (609, 12901), (679, 11571), (931, 8439), (1421, 5529), (1653, 4753), (1843, 4263), (2037, 3857), (2793, 2813)]