81047991

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{8849}}^1$

素因数の和:8966

約数の個数: 16

約数和(自身を含む): 112147200

約数和(自身を除く): 31099209

約数列:

[1, 3, 43, 71, 129, 213, 3053, 8849, 9159, 26547, 380507, 628279, 1141521, 1884837, 27015997, 81047991]

約数ペア:

[(1, 81047991), (3, 27015997), (43, 1884837), (71, 1141521), (129, 628279), (213, 380507), (3053, 26547), (8849, 9159)]