9810981

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 14603160

約数和(自身を除く): 4792179

約数列:

[1, 3, 9, 73, 109, 137, 219, 327, 411, 657, 981, 1233, 7957, 10001, 14933, 23871, 30003, 44799, 71613, 90009, 134397, 1090109, 3270327, 9810981]

約数ペア:

[(1, 9810981), (3, 3270327), (9, 1090109), (73, 134397), (109, 90009), (137, 71613), (219, 44799), (327, 30003), (411, 23871), (657, 14933), (981, 10001), (1233, 7957)]