208840563

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1364971}}^1$

素因数の和:1364994

約数の個数: 12

約数和(自身を含む): 319403448

約数和(自身を除く): 110562885

約数列:

[1, 3, 9, 17, 51, 153, 1364971, 4094913, 12284739, 23204507, 69613521, 208840563]

約数ペア:

[(1, 208840563), (3, 69613521), (9, 23204507), (17, 12284739), (51, 4094913), (153, 1364971)]