28560213

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6709}}^1$

素因数の和:6769

約数の個数: 24

約数和(自身を含む): 46057440

約数和(自身を除く): 17497227

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 6709, 20127, 60381, 73799, 221397, 288487, 664191, 865461, 2596383, 3173357, 9520071, 28560213]

約数ペア:

[(1, 28560213), (3, 9520071), (9, 3173357), (11, 2596383), (33, 865461), (43, 664191), (99, 288487), (129, 221397), (387, 73799), (473, 60381), (1419, 20127), (4257, 6709)]