28143495

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{16903}}^1$

素因数の和:16951

約数の個数: 24

約数和(自身を含む): 50103456

約数和(自身を除く): 21959961

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 16903, 50709, 84515, 152127, 253545, 625411, 760635, 1876233, 3127055, 5628699, 9381165, 28143495]

約数ペア:

[(1, 28143495), (3, 9381165), (5, 5628699), (9, 3127055), (15, 1876233), (37, 760635), (45, 625411), (111, 253545), (185, 152127), (333, 84515), (555, 50709), (1665, 16903)]