206523939

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{213131}}^1$

素因数の和:213170

約数の個数: 16

約数和(自身を含む): 306910080

約数和(自身を除く): 100386141

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 213131, 639393, 3623227, 4049489, 10869681, 12148467, 68841313, 206523939]

約数ペア:

[(1, 206523939), (3, 68841313), (17, 12148467), (19, 10869681), (51, 4049489), (57, 3623227), (323, 639393), (969, 213131)]