16207947

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 28407808

約数和(自身を除く): 12199861

約数列:

[1, 3, 7, 9, 21, 31, 43, 63, 93, 129, 193, 217, 279, 301, 387, 579, 651, 903, 1333, 1351, 1737, 1953, 2709, 3999, 4053, 5983, 8299, 9331, 11997, 12159, 17949, 24897, 27993, 41881, 53847, 58093, 74691, 83979, 125643, 174279, 257269, 376929, 522837, 771807, 1800883, 2315421, 5402649, 16207947]

約数ペア:

[(1, 16207947), (3, 5402649), (7, 2315421), (9, 1800883), (21, 771807), (31, 522837), (43, 376929), (63, 257269), (93, 174279), (129, 125643), (193, 83979), (217, 74691), (279, 58093), (301, 53847), (387, 41881), (579, 27993), (651, 24897), (903, 17949), (1333, 12159), (1351, 11997), (1737, 9331), (1953, 8299), (2709, 5983), (3999, 4053)]