2687643

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 4560608

約数和(自身を除く): 1872965

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1153, 2331, 3459, 8071, 10377, 24213, 42661, 72639, 127983, 298627, 383949, 895881, 2687643]

約数ペア:

[(1, 2687643), (3, 895881), (7, 383949), (9, 298627), (21, 127983), (37, 72639), (63, 42661), (111, 24213), (259, 10377), (333, 8071), (777, 3459), (1153, 2331)]