28325187

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 46076160

約数和(自身を除く): 17750973

約数列:

[1, 3, 9, 11, 27, 33, 99, 283, 297, 337, 849, 1011, 2547, 3033, 3113, 3707, 7641, 9099, 9339, 11121, 28017, 33363, 84051, 95371, 100089, 286113, 858339, 1049081, 2575017, 3147243, 9441729, 28325187]

約数ペア:

[(1, 28325187), (3, 9441729), (9, 3147243), (11, 2575017), (27, 1049081), (33, 858339), (99, 286113), (283, 100089), (297, 95371), (337, 84051), (849, 33363), (1011, 28017), (2547, 11121), (3033, 9339), (3113, 9099), (3707, 7641)]