3638789

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 4755168

約数和(自身を除く): 1116379

約数列:

[1, 7, 11, 43, 49, 77, 157, 301, 473, 539, 1099, 1727, 2107, 3311, 6751, 7693, 12089, 23177, 47257, 74261, 84623, 330799, 519827, 3638789]

約数ペア:

[(1, 3638789), (7, 519827), (11, 330799), (43, 84623), (49, 74261), (77, 47257), (157, 23177), (301, 12089), (473, 7693), (539, 6751), (1099, 3311), (1727, 2107)]