3986787

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 6359376

約数和(自身を除く): 2372589

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 733, 777, 1813, 2199, 5131, 5439, 15393, 27121, 35917, 81363, 107751, 189847, 569541, 1328929, 3986787]

約数ペア:

[(1, 3986787), (3, 1328929), (7, 569541), (21, 189847), (37, 107751), (49, 81363), (111, 35917), (147, 27121), (259, 15393), (733, 5439), (777, 5131), (1813, 2199)]