205654869

素因数分解:

$3^4\times 7^1\times {\mathrm{362707}}^1$

素因数の和:362726

約数の個数: 20

約数和(自身を含む): 351101344

約数和(自身を除く): 145446475

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 362707, 1088121, 2538949, 3264363, 7616847, 9793089, 22850541, 29379267, 68551623, 205654869]

約数ペア:

[(1, 205654869), (3, 68551623), (7, 29379267), (9, 22850541), (21, 9793089), (27, 7616847), (63, 3264363), (81, 2538949), (189, 1088121), (567, 362707)]