21777825

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2089}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 36282400

約数和(自身を除く): 14504575

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 2089, 3475, 6267, 10425, 10445, 31335, 52225, 156675, 290371, 871113, 1451855, 4355565, 7259275, 21777825]

約数ペア:

[(1, 21777825), (3, 7259275), (5, 4355565), (15, 1451855), (25, 871113), (75, 290371), (139, 156675), (417, 52225), (695, 31335), (2085, 10445), (2089, 10425), (3475, 6267)]