2057805

素因数分解:

$3^4\times 5^1\times {\mathrm{5081}}^1$

素因数の和:5098

約数の個数: 20

約数和(自身を含む): 3689532

約数和(自身を除く): 1631727

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5081, 15243, 25405, 45729, 76215, 137187, 228645, 411561, 685935, 2057805]

約数ペア:

[(1, 2057805), (3, 685935), (5, 411561), (9, 228645), (15, 137187), (27, 76215), (45, 45729), (81, 25405), (135, 15243), (405, 5081)]