206857395

素因数分解:

$3^7\times 5^1\times {\mathrm{18917}}^1$

素因数の和:18943

約数の個数: 32

約数和(自身を含む): 372306240

約数和(自身を除く): 165448845

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 10935, 18917, 56751, 94585, 170253, 283755, 510759, 851265, 1532277, 2553795, 4596831, 7661385, 13790493, 22984155, 41371479, 68952465, 206857395]

約数ペア:

[(1, 206857395), (3, 68952465), (5, 41371479), (9, 22984155), (15, 13790493), (27, 7661385), (45, 4596831), (81, 2553795), (135, 1532277), (243, 851265), (405, 510759), (729, 283755), (1215, 170253), (2187, 94585), (3645, 56751), (10935, 18917)]