128428077

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 173859840

約数和(自身を除く): 45431763

約数列:

[1, 3, 131, 139, 393, 417, 2351, 7053, 18209, 54627, 307981, 326789, 923943, 980367, 42809359, 128428077]

約数ペア:

[(1, 128428077), (3, 42809359), (131, 980367), (139, 923943), (393, 326789), (417, 307981), (2351, 54627), (7053, 18209)]