6660009

素因数分解:

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

素因数の和:222

約数の個数: 32

約数和(自身を含む): 10419200

約数和(自身を除く): 3759191

約数列:

[1, 3, 9, 27, 31, 73, 93, 109, 219, 279, 327, 657, 837, 981, 1971, 2263, 2943, 3379, 6789, 7957, 10137, 20367, 23871, 30411, 61101, 71613, 91233, 214839, 246667, 740001, 2220003, 6660009]

約数ペア:

[(1, 6660009), (3, 2220003), (9, 740001), (27, 246667), (31, 214839), (73, 91233), (93, 71613), (109, 61101), (219, 30411), (279, 23871), (327, 20367), (657, 10137), (837, 7957), (981, 6789), (1971, 3379), (2263, 2943)]