27198489

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 12338151

約数列:

[1, 3, 23, 43, 69, 89, 103, 129, 267, 309, 989, 2047, 2369, 2967, 3827, 4429, 6141, 7107, 9167, 11481, 13287, 27501, 88021, 101867, 210841, 264063, 305601, 394181, 632523, 1182543, 9066163, 27198489]

約数ペア:

[(1, 27198489), (3, 9066163), (23, 1182543), (43, 632523), (69, 394181), (89, 305601), (103, 264063), (129, 210841), (267, 101867), (309, 88021), (989, 27501), (2047, 13287), (2369, 11481), (2967, 9167), (3827, 7107), (4429, 6141)]