27905805

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2939}}^1$

素因数の和:3161

約数の個数: 24

約数和(自身を含む): 48615840

約数和(自身を除く): 20710035

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2939, 3165, 8817, 9495, 14695, 26451, 44085, 132255, 620129, 1860387, 3100645, 5581161, 9301935, 27905805]

約数ペア:

[(1, 27905805), (3, 9301935), (5, 5581161), (9, 3100645), (15, 1860387), (45, 620129), (211, 132255), (633, 44085), (1055, 26451), (1899, 14695), (2939, 9495), (3165, 8817)]