6821045

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 10391328

約数和(自身を除く): 3570283

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2531, 2695, 12655, 17717, 27841, 88585, 124019, 139205, 194887, 620095, 974435, 1364209, 6821045]

約数ペア:

[(1, 6821045), (5, 1364209), (7, 974435), (11, 620095), (35, 194887), (49, 139205), (55, 124019), (77, 88585), (245, 27841), (385, 17717), (539, 12655), (2531, 2695)]