16740423

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6481}}^1$

素因数の和:6535

約数の個数: 24

約数和(自身を含む): 28313376

約数和(自身を除く): 11572953

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 6481, 19443, 45367, 58329, 136101, 265721, 408303, 797163, 1860047, 2391489, 5580141, 16740423]

約数ペア:

[(1, 16740423), (3, 5580141), (7, 2391489), (9, 1860047), (21, 797163), (41, 408303), (63, 265721), (123, 136101), (287, 58329), (369, 45367), (861, 19443), (2583, 6481)]