2099979

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 3655680

約数和(自身を除く): 1555701

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 271, 287, 369, 813, 861, 1107, 1897, 2439, 2583, 5691, 7317, 7749, 11111, 17073, 33333, 51219, 77777, 99999, 233331, 299997, 699993, 2099979]

約数ペア:

[(1, 2099979), (3, 699993), (7, 299997), (9, 233331), (21, 99999), (27, 77777), (41, 51219), (63, 33333), (123, 17073), (189, 11111), (271, 7749), (287, 7317), (369, 5691), (813, 2583), (861, 2439), (1107, 1897)]