28465857

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7927}}^1$

素因数の和:7962

約数の個数: 32

約数和(自身を含む): 50739200

約数和(自身を除く): 22273343

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 7927, 23781, 55489, 71343, 150613, 166467, 214029, 451839, 499401, 1054291, 1355517, 1498203, 3162873, 4066551, 9488619, 28465857]

約数ペア:

[(1, 28465857), (3, 9488619), (7, 4066551), (9, 3162873), (19, 1498203), (21, 1355517), (27, 1054291), (57, 499401), (63, 451839), (133, 214029), (171, 166467), (189, 150613), (399, 71343), (513, 55489), (1197, 23781), (3591, 7927)]