320425707

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1999}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 518400000

約数和(自身を除く): 197974293

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 449, 1347, 1999, 3143, 5997, 7633, 9429, 13993, 22899, 33983, 41979, 53431, 101949, 160293, 237881, 713643, 897551, 2692653, 6282857, 15258367, 18848571, 45775101, 106808569, 320425707]

約数ペア:

[(1, 320425707), (3, 106808569), (7, 45775101), (17, 18848571), (21, 15258367), (51, 6282857), (119, 2692653), (357, 897551), (449, 713643), (1347, 237881), (1999, 160293), (3143, 101949), (5997, 53431), (7633, 41979), (9429, 33983), (13993, 22899)]