28327257

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7621}}^1$

素因数の和:7693

約数の個数: 24

約数和(自身を含む): 47561280

約数和(自身を除く): 19234023

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7621, 22863, 53347, 68589, 160041, 449639, 480123, 1348917, 3147473, 4046751, 9442419, 28327257]

約数ペア:

[(1, 28327257), (3, 9442419), (7, 4046751), (9, 3147473), (21, 1348917), (59, 480123), (63, 449639), (177, 160041), (413, 68589), (531, 53347), (1239, 22863), (3717, 7621)]