142724709

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 211005080

約数和(自身を除く): 68280371

約数列:

[1, 3, 9, 73, 109, 219, 327, 657, 981, 1993, 5979, 7957, 17937, 23871, 71613, 145489, 217237, 436467, 651711, 1309401, 1955133, 15858301, 47574903, 142724709]

約数ペア:

[(1, 142724709), (3, 47574903), (9, 15858301), (73, 1955133), (109, 1309401), (219, 651711), (327, 436467), (657, 217237), (981, 145489), (1993, 71613), (5979, 23871), (7957, 17937)]