66706689

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4241}}^1$

素因数の和:4365

約数の個数: 24

約数和(自身を含む): 104455008

約数和(自身を除く): 37748319

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 4241, 5243, 12723, 15729, 29687, 89061, 207809, 453787, 623427, 1361361, 3176509, 9529527, 22235563, 66706689]

約数ペア:

[(1, 66706689), (3, 22235563), (7, 9529527), (21, 3176509), (49, 1361361), (107, 623427), (147, 453787), (321, 207809), (749, 89061), (2247, 29687), (4241, 15729), (5243, 12723)]