27640485

素因数分解:

$3^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1091}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 48039264

約数和(自身を除く): 20398779

約数列:

[1, 3, 5, 9, 15, 45, 563, 1091, 1689, 2815, 3273, 5067, 5455, 8445, 9819, 16365, 25335, 49095, 614233, 1842699, 3071165, 5528097, 9213495, 27640485]

約数ペア:

[(1, 27640485), (3, 9213495), (5, 5528097), (9, 3071165), (15, 1842699), (45, 614233), (563, 49095), (1091, 25335), (1689, 16365), (2815, 9819), (3273, 8445), (5067, 5455)]