28457379

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{15731}}^1$

素因数の和:15807

約数の個数: 16

約数和(自身を含む): 42791040

約数和(自身を除く): 14333661

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 15731, 47193, 141579, 424737, 1053977, 3161931, 9485793, 28457379]

約数ペア:

[(1, 28457379), (3, 9485793), (9, 3161931), (27, 1053977), (67, 424737), (201, 141579), (603, 47193), (1809, 15731)]