27791743

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 4694657

約数列:

[1, 7, 71, 199, 281, 497, 1393, 1967, 14129, 19951, 55919, 98903, 139657, 391433, 3970249, 27791743]

約数ペア:

[(1, 27791743), (7, 3970249), (71, 391433), (199, 139657), (281, 98903), (497, 55919), (1393, 19951), (1967, 14129)]