28525707

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23831}}^1$

素因数の和:23863

約数の個数: 24

約数和(自身を含む): 49570560

約数和(自身を除く): 21044853

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23831, 71493, 166817, 214479, 452789, 500451, 1358367, 1501353, 3169523, 4075101, 9508569, 28525707]

約数ペア:

[(1, 28525707), (3, 9508569), (7, 4075101), (9, 3169523), (19, 1501353), (21, 1358367), (57, 500451), (63, 452789), (133, 214479), (171, 166817), (399, 71493), (1197, 23831)]