28430361

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 42116360

約数和(自身を除く): 13685999

約数列:

[1, 3, 9, 73, 109, 219, 327, 397, 657, 981, 1191, 3573, 7957, 23871, 28981, 43273, 71613, 86943, 129819, 260829, 389457, 3158929, 9476787, 28430361]

約数ペア:

[(1, 28430361), (3, 9476787), (9, 3158929), (73, 389457), (109, 260829), (219, 129819), (327, 86943), (397, 71613), (657, 43273), (981, 28981), (1191, 23871), (3573, 7957)]