131431867

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 160876800

約数和(自身を除く): 29444933

約数列:

[1, 7, 23, 49, 139, 161, 839, 973, 1127, 3197, 5873, 6811, 19297, 22379, 41111, 116621, 135079, 156653, 816347, 945553, 2682283, 5714429, 18775981, 131431867]

約数ペア:

[(1, 131431867), (7, 18775981), (23, 5714429), (49, 2682283), (139, 945553), (161, 816347), (839, 156653), (973, 135079), (1127, 116621), (3197, 41111), (5873, 22379), (6811, 19297)]