2780883

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 4718688

約数和(自身を除く): 1937805

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1193, 2331, 3579, 8351, 10737, 25053, 44141, 75159, 132423, 308987, 397269, 926961, 2780883]

約数ペア:

[(1, 2780883), (3, 926961), (7, 397269), (9, 308987), (21, 132423), (37, 75159), (63, 44141), (111, 25053), (259, 10737), (333, 8351), (777, 3579), (1193, 2331)]