2642139

素因数分解:

$3^5\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 4036032

約数和(自身を除く): 1393893

約数列:

[1, 3, 9, 27, 81, 83, 131, 243, 249, 393, 747, 1179, 2241, 3537, 6723, 10611, 10873, 20169, 31833, 32619, 97857, 293571, 880713, 2642139]

約数ペア:

[(1, 2642139), (3, 880713), (9, 293571), (27, 97857), (81, 32619), (83, 31833), (131, 20169), (243, 10873), (249, 10611), (393, 6723), (747, 3537), (1179, 2241)]