28997397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22531}}^1$

素因数の和:22561

約数の個数: 24

約数和(自身を含む): 49209888

約数和(自身を除く): 20212491

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 22531, 67593, 202779, 247841, 292903, 743523, 878709, 2230569, 2636127, 3221933, 9665799, 28997397]

約数ペア:

[(1, 28997397), (3, 9665799), (9, 3221933), (11, 2636127), (13, 2230569), (33, 878709), (39, 743523), (99, 292903), (117, 247841), (143, 202779), (429, 67593), (1287, 22531)]