28203309

素因数分解:

$3^5\times {\mathrm{277}}^1\times {\mathrm{419}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 42500640

約数和(自身を除く): 14297331

約数列:

[1, 3, 9, 27, 81, 243, 277, 419, 831, 1257, 2493, 3771, 7479, 11313, 22437, 33939, 67311, 101817, 116063, 348189, 1044567, 3133701, 9401103, 28203309]

約数ペア:

[(1, 28203309), (3, 9401103), (9, 3133701), (27, 1044567), (81, 348189), (243, 116063), (277, 101817), (419, 67311), (831, 33939), (1257, 22437), (2493, 11313), (3771, 7479)]