201681109

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 246240000

約数和(自身を除く): 44558891

約数列:

[1, 7, 29, 49, 71, 203, 497, 1421, 1999, 2059, 3479, 13993, 14413, 57971, 97951, 100891, 141929, 405797, 993503, 2840579, 4115941, 6954521, 28811587, 201681109]

約数ペア:

[(1, 201681109), (7, 28811587), (29, 6954521), (49, 4115941), (71, 2840579), (203, 993503), (497, 405797), (1421, 141929), (1999, 100891), (2059, 97951), (3479, 57971), (13993, 14413)]