87121363

素因数分解:

$7^2\times {\mathrm{311}}^1\times {\mathrm{5717}}^1$

素因数の和:6042

約数の個数: 12

約数和(自身を含む): 101688912

約数和(自身を除く): 14567549

約数列:

[1, 7, 49, 311, 2177, 5717, 15239, 40019, 280133, 1777987, 12445909, 87121363]

約数ペア:

[(1, 87121363), (7, 12445909), (49, 1777987), (311, 280133), (2177, 40019), (5717, 15239)]