2181501

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 3720704

約数和(自身を除く): 1539203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1117, 1953, 3351, 7819, 10053, 23457, 34627, 70371, 103881, 242389, 311643, 727167, 2181501]

約数ペア:

[(1, 2181501), (3, 727167), (7, 311643), (9, 242389), (21, 103881), (31, 70371), (63, 34627), (93, 23457), (217, 10053), (279, 7819), (651, 3351), (1117, 1953)]