11987157

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 20715520

約数和(自身を除く): 8728363

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 2311, 5187, 6933, 16177, 30043, 43909, 48531, 90129, 131727, 210301, 307363, 570817, 630903, 922089, 1712451, 3995719, 11987157]

約数ペア:

[(1, 11987157), (3, 3995719), (7, 1712451), (13, 922089), (19, 630903), (21, 570817), (39, 307363), (57, 210301), (91, 131727), (133, 90129), (247, 48531), (273, 43909), (399, 30043), (741, 16177), (1729, 6933), (2311, 5187)]