28716813

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 42539640

約数和(自身を除く): 13822827

約数列:

[1, 3, 9, 73, 109, 219, 327, 401, 657, 981, 1203, 3609, 7957, 23871, 29273, 43709, 71613, 87819, 131127, 263457, 393381, 3190757, 9572271, 28716813]

約数ペア:

[(1, 28716813), (3, 9572271), (9, 3190757), (73, 393381), (109, 263457), (219, 131127), (327, 87819), (401, 71613), (657, 43709), (981, 29273), (1203, 23871), (3609, 7957)]