27981371

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 33247872

約数和(自身を除く): 5266501

約数列:

[1, 11, 17, 61, 121, 187, 223, 671, 1037, 2057, 2453, 3791, 7381, 11407, 13603, 26983, 41701, 125477, 149633, 231251, 458711, 1645963, 2543761, 27981371]

約数ペア:

[(1, 27981371), (11, 2543761), (17, 1645963), (61, 458711), (121, 231251), (187, 149633), (223, 125477), (671, 41701), (1037, 26983), (2057, 13603), (2453, 11407), (3791, 7381)]