280101981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139981}}^1$

素因数の和:140036

約数の個数: 16

約数和(自身を含む): 403148160

約数和(自身を除く): 123046179

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 139981, 419943, 3219563, 4059449, 9658689, 12178347, 93367327, 280101981]

約数ペア:

[(1, 280101981), (3, 93367327), (23, 12178347), (29, 9658689), (69, 4059449), (87, 3219563), (667, 419943), (2001, 139981)]