28563717

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{14947}}^1$

素因数の和:14977

約数の個数: 24

約数和(自身を含む): 47714016

約数和(自身を除く): 19150299

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 14947, 44841, 104629, 194311, 313887, 582933, 732403, 1360177, 2197209, 4080531, 9521239, 28563717]

約数ペア:

[(1, 28563717), (3, 9521239), (7, 4080531), (13, 2197209), (21, 1360177), (39, 732403), (49, 582933), (91, 313887), (147, 194311), (273, 104629), (637, 44841), (1911, 14947)]