28699101

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7297}}^1$

素因数の和:7345

約数の個数: 24

約数和(自身を含む): 45539520

約数和(自身を除く): 16840419

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 7297, 21891, 65673, 138643, 167831, 415929, 503493, 1247787, 1510479, 3188789, 9566367, 28699101]

約数ペア:

[(1, 28699101), (3, 9566367), (9, 3188789), (19, 1510479), (23, 1247787), (57, 503493), (69, 415929), (171, 167831), (207, 138643), (437, 65673), (1311, 21891), (3933, 7297)]