199908243

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{79613}}^1$

素因数の和:79656

約数の個数: 20

約数和(自身を含む): 308265408

約数和(自身を除く): 108357165

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 79613, 238839, 716517, 2149551, 2468003, 6448653, 7404009, 22212027, 66636081, 199908243]

約数ペア:

[(1, 199908243), (3, 66636081), (9, 22212027), (27, 7404009), (31, 6448653), (81, 2468003), (93, 2149551), (279, 716517), (837, 238839), (2511, 79613)]