8731881

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 40

約数和(自身を含む): 14055360

約数和(自身を除く): 5323479

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 109, 129, 207, 327, 387, 621, 981, 989, 1161, 1863, 2507, 2943, 2967, 3483, 4687, 7521, 8829, 8901, 14061, 22563, 26703, 42183, 67689, 80109, 107801, 126549, 203067, 323403, 379647, 970209, 2910627, 8731881]

約数ペア:

[(1, 8731881), (3, 2910627), (9, 970209), (23, 379647), (27, 323403), (43, 203067), (69, 126549), (81, 107801), (109, 80109), (129, 67689), (207, 42183), (327, 26703), (387, 22563), (621, 14061), (981, 8901), (989, 8829), (1161, 7521), (1863, 4687), (2507, 3483), (2943, 2967)]