17420751

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:940

約数の個数: 20

約数和(自身を含む): 26136000

約数和(自身を除く): 8715249

約数列:

[1, 3, 9, 27, 81, 449, 479, 1347, 1437, 4041, 4311, 12123, 12933, 36369, 38799, 215071, 645213, 1935639, 5806917, 17420751]

約数ペア:

[(1, 17420751), (3, 5806917), (9, 1935639), (27, 645213), (81, 215071), (449, 38799), (479, 36369), (1347, 12933), (1437, 12123), (4041, 4311)]