27691278

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{65003}}^1$

素因数の和:65079

約数の個数: 16

約数和(自身を含む): 56163456

約数和(自身を除く): 28472178

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 65003, 130006, 195009, 390018, 4615213, 9230426, 13845639, 27691278]

約数ペア:

[(1, 27691278), (2, 13845639), (3, 9230426), (6, 4615213), (71, 390018), (142, 195009), (213, 130006), (426, 65003)]