2123541

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 3604224

約数和(自身を除く): 1480683

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 911, 2331, 2733, 6377, 8199, 19131, 33707, 57393, 101121, 235949, 303363, 707847, 2123541]

約数ペア:

[(1, 2123541), (3, 707847), (7, 303363), (9, 235949), (21, 101121), (37, 57393), (63, 33707), (111, 19131), (259, 8199), (333, 6377), (777, 2733), (911, 2331)]