28208313

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7589}}^1$

素因数の和:7661

約数の個数: 24

約数和(自身を含む): 47361600

約数和(自身を除く): 19153287

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7589, 22767, 53123, 68301, 159369, 447751, 478107, 1343253, 3134257, 4029759, 9402771, 28208313]

約数ペア:

[(1, 28208313), (3, 9402771), (7, 4029759), (9, 3134257), (21, 1343253), (59, 478107), (63, 447751), (177, 159369), (413, 68301), (531, 53123), (1239, 22767), (3717, 7589)]