28186011

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7583}}^1$

素因数の和:7655

約数の個数: 24

約数和(自身を含む): 47324160

約数和(自身を除く): 19138149

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7583, 22749, 53081, 68247, 159243, 447397, 477729, 1342191, 3131779, 4026573, 9395337, 28186011]

約数ペア:

[(1, 28186011), (3, 9395337), (7, 4026573), (9, 3131779), (21, 1342191), (59, 477729), (63, 447397), (177, 159243), (413, 68247), (531, 53081), (1239, 22749), (3717, 7583)]