16573221

素因数分解:

$3^3\times 7^2\times {\mathrm{12527}}^1$

素因数の和:12550

約数の個数: 24

約数和(自身を含む): 28563840

約数和(自身を除く): 11990619

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 12527, 37581, 87689, 112743, 263067, 338229, 613823, 789201, 1841469, 2367603, 5524407, 16573221]

約数ペア:

[(1, 16573221), (3, 5524407), (7, 2367603), (9, 1841469), (21, 789201), (27, 613823), (49, 338229), (63, 263067), (147, 112743), (189, 87689), (441, 37581), (1323, 12527)]