28271991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^2$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 43134336

約数和(自身を除く): 14862345

約数列:

[1, 3, 11, 23, 33, 69, 193, 253, 579, 759, 2123, 4439, 6369, 13317, 37249, 48829, 111747, 146487, 409739, 856727, 1229217, 2570181, 9423997, 28271991]

約数ペア:

[(1, 28271991), (3, 9423997), (11, 2570181), (23, 1229217), (33, 856727), (69, 409739), (193, 146487), (253, 111747), (579, 48829), (759, 37249), (2123, 13317), (4439, 6369)]