279997887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{135461}}^1$

素因数の和:135530

約数の個数: 16

約数和(自身を含む): 409637088

約数和(自身を除く): 129639201

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 135461, 406383, 1760993, 5282979, 7179433, 21538299, 93332629, 279997887]

約数ペア:

[(1, 279997887), (3, 93332629), (13, 21538299), (39, 7179433), (53, 5282979), (159, 1760993), (689, 406383), (2067, 135461)]