28197099

素因数分解:

$3^3\times 7^2\times {\mathrm{21313}}^1$

素因数の和:21336

約数の個数: 24

約数和(自身を含む): 48595920

約数和(自身を除く): 20398821

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21313, 63939, 149191, 191817, 447573, 575451, 1044337, 1342719, 3133011, 4028157, 9399033, 28197099]

約数ペア:

[(1, 28197099), (3, 9399033), (7, 4028157), (9, 3133011), (21, 1342719), (27, 1044337), (49, 575451), (63, 447573), (147, 191817), (189, 149191), (441, 63939), (1323, 21313)]