31920251

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 36868608

約数和(自身を除く): 4948357

約数列:

[1, 11, 23, 71, 253, 781, 1633, 1777, 17963, 19547, 40871, 126167, 449581, 1387837, 2901841, 31920251]

約数ペア:

[(1, 31920251), (11, 2901841), (23, 1387837), (71, 449581), (253, 126167), (781, 40871), (1633, 19547), (1777, 17963)]