28591353

素因数分解:

$3^3\times 7^2\times {\mathrm{21611}}^1$

素因数の和:21634

約数の個数: 24

約数和(自身を含む): 49275360

約数和(自身を除く): 20684007

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21611, 64833, 151277, 194499, 453831, 583497, 1058939, 1361493, 3176817, 4084479, 9530451, 28591353]

約数ペア:

[(1, 28591353), (3, 9530451), (7, 4084479), (9, 3176817), (21, 1361493), (27, 1058939), (49, 583497), (63, 453831), (147, 194499), (189, 151277), (441, 64833), (1323, 21611)]