28748511

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{26399}}^1$

素因数の和:26427

約数の個数: 18

約数和(自身を含む): 45645600

約数和(自身を除く): 16897089

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 26399, 79197, 237591, 290389, 871167, 2613501, 3194279, 9582837, 28748511]

約数ペア:

[(1, 28748511), (3, 9582837), (9, 3194279), (11, 2613501), (33, 871167), (99, 290389), (121, 237591), (363, 79197), (1089, 26399)]