28985019

素因数分解:

$3^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{733}}^1$

素因数の和:1019

約数の個数: 24

約数和(自身を含む): 45185040

約数和(自身を除く): 16200021

約数列:

[1, 3, 7, 21, 49, 147, 269, 733, 807, 1883, 2199, 5131, 5649, 13181, 15393, 35917, 39543, 107751, 197177, 591531, 1380239, 4140717, 9661673, 28985019]

約数ペア:

[(1, 28985019), (3, 9661673), (7, 4140717), (21, 1380239), (49, 591531), (147, 197177), (269, 107751), (733, 39543), (807, 35917), (1883, 15393), (2199, 13181), (5131, 5649)]