31272081

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3947}}^1$

素因数の和:4108

約数の個数: 16

約数和(自身を含む): 44217600

約数和(自身を除く): 12945519

約数列:

[1, 3, 19, 57, 139, 417, 2641, 3947, 7923, 11841, 74993, 224979, 548633, 1645899, 10424027, 31272081]

約数ペア:

[(1, 31272081), (3, 10424027), (19, 1645899), (57, 548633), (139, 224979), (417, 74993), (2641, 11841), (3947, 7923)]