291268467

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 522627072

約数和(自身を除く): 231358605

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 73, 81, 93, 189, 217, 219, 227, 279, 511, 567, 651, 657, 681, 837, 1533, 1589, 1953, 1971, 2043, 2263, 2511, 4599, 4767, 5859, 5913, 6129, 6789, 7037, 13797, 14301, 15841, 16571, 17577, 18387, 20367, 21111, 41391, 42903, 47523, 49259, 49713, 61101, 63333, 115997, 128709, 142569, 147777, 149139, 183303, 189999, 347991, 427707, 443331, 447417, 513701, 569997, 1043973, 1283121, 1329993, 1342251, 1541103, 3131919, 3595907, 3989979, 4623309, 9395757, 10787721, 13869927, 32363163, 41609781, 97089489, 291268467]

約数ペア:

[(1, 291268467), (3, 97089489), (7, 41609781), (9, 32363163), (21, 13869927), (27, 10787721), (31, 9395757), (63, 4623309), (73, 3989979), (81, 3595907), (93, 3131919), (189, 1541103), (217, 1342251), (219, 1329993), (227, 1283121), (279, 1043973), (511, 569997), (567, 513701), (651, 447417), (657, 443331), (681, 427707), (837, 347991), (1533, 189999), (1589, 183303), (1953, 149139), (1971, 147777), (2043, 142569), (2263, 128709), (2511, 115997), (4599, 63333), (4767, 61101), (5859, 49713), (5913, 49259), (6129, 47523), (6789, 42903), (7037, 41391), (13797, 21111), (14301, 20367), (15841, 18387), (16571, 17577)]