2013121121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{6701}}^1$

素因数の和:7624

約数の個数: 16

約数和(自身を含む): 2269886976

約数和(自身を除く): 256765855

約数列:

[1, 11, 31, 341, 881, 6701, 9691, 27311, 73711, 207731, 300421, 2285041, 5903581, 64939391, 183011011, 2013121121]

約数ペア:

[(1, 2013121121), (11, 183011011), (31, 64939391), (341, 5903581), (881, 2285041), (6701, 300421), (9691, 207731), (27311, 73711)]