16239939

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 23069376

約数和(自身を除く): 6829437

約数列:

[1, 3, 31, 43, 93, 129, 131, 393, 961, 1333, 2883, 3999, 4061, 5633, 12183, 16899, 41323, 123969, 125891, 174623, 377673, 523869, 5413313, 16239939]

約数ペア:

[(1, 16239939), (3, 5413313), (31, 523869), (43, 377673), (93, 174623), (129, 125891), (131, 123969), (393, 41323), (961, 16899), (1333, 12183), (2883, 5633), (3999, 4061)]