678762009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103171}}^1$

素因数の和:103237

約数の個数: 24

約数和(自身を含む): 1062258912

約数和(自身を除く): 383496903

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 103171, 309513, 928539, 1753907, 4436353, 5261721, 13309059, 15785163, 39927177, 75418001, 226254003, 678762009]

約数ペア:

[(1, 678762009), (3, 226254003), (9, 75418001), (17, 39927177), (43, 15785163), (51, 13309059), (129, 5261721), (153, 4436353), (387, 1753907), (731, 928539), (2193, 309513), (6579, 103171)]