204972021

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{1433}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 309606336

約数和(自身を除く): 104634315

約数列:

[1, 3, 9, 23, 69, 207, 691, 1433, 2073, 4299, 6219, 12897, 15893, 32959, 47679, 98877, 143037, 296631, 990203, 2970609, 8911827, 22774669, 68324007, 204972021]

約数ペア:

[(1, 204972021), (3, 68324007), (9, 22774669), (23, 8911827), (69, 2970609), (207, 990203), (691, 296631), (1433, 143037), (2073, 98877), (4299, 47679), (6219, 32959), (12897, 15893)]