86392719

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31891}}^1$

素因数の和:31947

約数の個数: 24

約数和(自身を含む): 145937792

約数和(自身を除く): 59545073

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 31891, 95673, 223237, 287019, 669711, 1371313, 2009133, 4113939, 9599191, 12341817, 28797573, 86392719]

約数ペア:

[(1, 86392719), (3, 28797573), (7, 12341817), (9, 9599191), (21, 4113939), (43, 2009133), (63, 1371313), (129, 669711), (301, 287019), (387, 223237), (903, 95673), (2709, 31891)]