215490121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{5351}}^1$

素因数の和:5892

約数の個数: 16

約数和(自身を含む): 269227008

約数和(自身を除く): 53736887

約数列:

[1, 7, 11, 77, 523, 3661, 5351, 5753, 37457, 40271, 58861, 412027, 2798573, 19590011, 30784303, 215490121]

約数ペア:

[(1, 215490121), (7, 30784303), (11, 19590011), (77, 2798573), (523, 412027), (3661, 58861), (5351, 40271), (5753, 37457)]