51806787

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 77721600

約数和(自身を除く): 25914813

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 437, 817, 919, 989, 1311, 2451, 2757, 2967, 17461, 18791, 21137, 39517, 52383, 56373, 63411, 118551, 401603, 750823, 908891, 1204809, 2252469, 2726673, 17268929, 51806787]

約数ペア:

[(1, 51806787), (3, 17268929), (19, 2726673), (23, 2252469), (43, 1204809), (57, 908891), (69, 750823), (129, 401603), (437, 118551), (817, 63411), (919, 56373), (989, 52383), (1311, 39517), (2451, 21137), (2757, 18791), (2967, 17461)]