28780437

素因数分解:

$3^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1933}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 43940480

約数和(自身を除く): 15160043

約数列:

[1, 3, 7, 21, 709, 1933, 2127, 4963, 5799, 13531, 14889, 40593, 1370497, 4111491, 9593479, 28780437]

約数ペア:

[(1, 28780437), (3, 9593479), (7, 4111491), (21, 1370497), (709, 40593), (1933, 14889), (2127, 13531), (4963, 5799)]