138736437

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{287239}}^1$

素因数の和:287272

約数の個数: 16

約数和(自身を含む): 220600320

約数和(自身を除く): 81863883

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 287239, 861717, 2010673, 6032019, 6606497, 19819491, 46245479, 138736437]

約数ペア:

[(1, 138736437), (3, 46245479), (7, 19819491), (21, 6606497), (23, 6032019), (69, 2010673), (161, 861717), (483, 287239)]