68351913

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 121642560

約数和(自身を除く): 53290647

約数列:

[1, 3, 7, 9, 21, 37, 49, 59, 63, 71, 111, 147, 177, 213, 259, 333, 413, 441, 497, 531, 639, 777, 1239, 1491, 1813, 2183, 2331, 2627, 2891, 3479, 3717, 4189, 4473, 5439, 6549, 7881, 8673, 10437, 12567, 15281, 16317, 18389, 19647, 23643, 26019, 29323, 31311, 37701, 45843, 55167, 87969, 106967, 128723, 137529, 154993, 165501, 205261, 263907, 320901, 386169, 464979, 615783, 962703, 1084951, 1158507, 1394937, 1847349, 3254853, 7594657, 9764559, 22783971, 68351913]

約数ペア:

[(1, 68351913), (3, 22783971), (7, 9764559), (9, 7594657), (21, 3254853), (37, 1847349), (49, 1394937), (59, 1158507), (63, 1084951), (71, 962703), (111, 615783), (147, 464979), (177, 386169), (213, 320901), (259, 263907), (333, 205261), (413, 165501), (441, 154993), (497, 137529), (531, 128723), (639, 106967), (777, 87969), (1239, 55167), (1491, 45843), (1813, 37701), (2183, 31311), (2331, 29323), (2627, 26019), (2891, 23643), (3479, 19647), (3717, 18389), (4189, 16317), (4473, 15281), (5439, 12567), (6549, 10437), (7881, 8673)]