28208019

素因数分解:

$3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1601}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 43061760

約数和(自身を除く): 14853741

約数列:

[1, 3, 7, 21, 839, 1601, 2517, 4803, 5873, 11207, 17619, 33621, 1343239, 4029717, 9402673, 28208019]

約数ペア:

[(1, 28208019), (3, 9402673), (7, 4029717), (21, 1343239), (839, 33621), (1601, 17619), (2517, 11207), (4803, 5873)]