28122939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 44054192

約数和(自身を除く): 15931253

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 1413, 1531, 2041, 4593, 6123, 13779, 18369, 19903, 59709, 179127, 240367, 721101, 2163303, 3124771, 9374313, 28122939]

約数ペア:

[(1, 28122939), (3, 9374313), (9, 3124771), (13, 2163303), (39, 721101), (117, 240367), (157, 179127), (471, 59709), (1413, 19903), (1531, 18369), (2041, 13779), (4593, 6123)]