204320151

素因数分解:

$3^4\times 7^2\times {\mathrm{51479}}^1$

素因数の和:51505

約数の個数: 30

約数和(自身を含む): 355057560

約数和(自身を除く): 150737409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 51479, 154437, 360353, 463311, 1081059, 1389933, 2522471, 3243177, 4169799, 7567413, 9729531, 22702239, 29188593, 68106717, 204320151]

約数ペア:

[(1, 204320151), (3, 68106717), (7, 29188593), (9, 22702239), (21, 9729531), (27, 7567413), (49, 4169799), (63, 3243177), (81, 2522471), (147, 1389933), (189, 1081059), (441, 463311), (567, 360353), (1323, 154437), (3969, 51479)]