38918721

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2053}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 53239680

約数和(自身を除く): 14320959

約数列:

[1, 3, 71, 89, 213, 267, 2053, 6159, 6319, 18957, 145763, 182717, 437289, 548151, 12972907, 38918721]

約数ペア:

[(1, 38918721), (3, 12972907), (71, 548151), (89, 437289), (213, 182717), (267, 145763), (2053, 18957), (6159, 6319)]