201722857

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 248406912

約数和(自身を除く): 46684055

約数列:

[1, 7, 23, 49, 71, 161, 497, 1127, 1633, 2521, 3479, 11431, 17647, 57983, 80017, 123529, 178991, 405881, 1252937, 2841167, 4116793, 8770559, 28817551, 201722857]

約数ペア:

[(1, 201722857), (7, 28817551), (23, 8770559), (49, 4116793), (71, 2841167), (161, 1252937), (497, 405881), (1127, 178991), (1633, 123529), (2521, 80017), (3479, 57983), (11431, 17647)]