401020479

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101963}}^1$

素因数の和:102011

約数の個数: 24

約数和(自身を含む): 636255360

約数和(自身を除く): 235234881

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 101963, 305889, 917667, 1937297, 2345149, 5811891, 7035447, 17435673, 21106341, 44557831, 133673493, 401020479]

約数ペア:

[(1, 401020479), (3, 133673493), (9, 44557831), (19, 21106341), (23, 17435673), (57, 7035447), (69, 5811891), (171, 2345149), (207, 1937297), (437, 917667), (1311, 305889), (3933, 101963)]