31806047

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1060

約数の個数: 20

約数和(自身を含む): 39998280

約数和(自身を除く): 8192233

約数列:

[1, 7, 13, 49, 91, 343, 637, 1019, 2401, 4459, 7133, 13247, 31213, 49931, 92729, 349517, 649103, 2446619, 4543721, 31806047]

約数ペア:

[(1, 31806047), (7, 4543721), (13, 2446619), (49, 649103), (91, 349517), (343, 92729), (637, 49931), (1019, 31213), (2401, 13247), (4459, 7133)]