13289045

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4931}}^1$

素因数の和:4961

約数の個数: 24

約数和(自身を含む): 20240928

約数和(自身を除く): 6951883

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 4931, 24655, 34517, 54241, 172585, 241619, 271205, 379687, 1208095, 1898435, 2657809, 13289045]

約数ペア:

[(1, 13289045), (5, 2657809), (7, 1898435), (11, 1208095), (35, 379687), (49, 271205), (55, 241619), (77, 172585), (245, 54241), (385, 34517), (539, 24655), (2695, 4931)]