172881261

素因数分解:

$3^2\times 7^3\times {\mathrm{56003}}^1$

素因数の和:56030

約数の個数: 24

約数和(自身を含む): 291220800

約数和(自身を除く): 118339539

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 56003, 168009, 392021, 504027, 1176063, 2744147, 3528189, 8232441, 19209029, 24697323, 57627087, 172881261]

約数ペア:

[(1, 172881261), (3, 57627087), (7, 24697323), (9, 19209029), (21, 8232441), (49, 3528189), (63, 2744147), (147, 1176063), (343, 504027), (441, 392021), (1029, 168009), (3087, 56003)]