2220003

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 3386240

約数和(自身を除く): 1166237

約数列:

[1, 3, 9, 31, 73, 93, 109, 219, 279, 327, 657, 981, 2263, 3379, 6789, 7957, 10137, 20367, 23871, 30411, 71613, 246667, 740001, 2220003]

約数ペア:

[(1, 2220003), (3, 740001), (9, 246667), (31, 71613), (73, 30411), (93, 23871), (109, 20367), (219, 10137), (279, 7957), (327, 6789), (657, 3379), (981, 2263)]