12209655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47881}}^1$

素因数の和:47906

約数の個数: 16

約数和(自身を含む): 20685024

約数和(自身を除く): 8475369

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 47881, 143643, 239405, 718215, 813977, 2441931, 4069885, 12209655]

約数ペア:

[(1, 12209655), (3, 4069885), (5, 2441931), (15, 813977), (17, 718215), (51, 239405), (85, 143643), (255, 47881)]