2543121

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 4315584

約数和(自身を除く): 1772463

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1091, 2331, 3273, 7637, 9819, 22911, 40367, 68733, 121101, 282569, 363303, 847707, 2543121]

約数ペア:

[(1, 2543121), (3, 847707), (7, 363303), (9, 282569), (21, 121101), (37, 68733), (63, 40367), (111, 22911), (259, 9819), (333, 7637), (777, 3273), (1091, 2331)]