28031781

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4129}}^1$

素因数の和:4236

約数の個数: 16

約数和(自身を含む): 39119360

約数和(自身を除く): 11087579

約数列:

[1, 3, 31, 73, 93, 219, 2263, 4129, 6789, 12387, 127999, 301417, 383997, 904251, 9343927, 28031781]

約数ペア:

[(1, 28031781), (3, 9343927), (31, 904251), (73, 383997), (93, 301417), (219, 127999), (2263, 12387), (4129, 6789)]