238239717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{1663}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 343010304

約数和(自身を除く): 104770587

約数列:

[1, 3, 17, 51, 53, 159, 901, 1663, 2703, 2809, 4989, 8427, 28271, 47753, 84813, 88139, 143259, 264417, 1498363, 4495089, 4671367, 14014101, 79413239, 238239717]

約数ペア:

[(1, 238239717), (3, 79413239), (17, 14014101), (51, 4671367), (53, 4495089), (159, 1498363), (901, 264417), (1663, 143259), (2703, 88139), (2809, 84813), (4989, 47753), (8427, 28271)]