2016397881

素因数分解:

$3^4\times {\mathrm{2029}}^1\times {\mathrm{12269}}^1$

素因数の和:14310

約数の個数: 20

約数和(自身を含む): 3013880100

約数和(自身を除く): 997482219

約数列:

[1, 3, 9, 27, 81, 2029, 6087, 12269, 18261, 36807, 54783, 110421, 164349, 331263, 993789, 24893801, 74681403, 224044209, 672132627, 2016397881]

約数ペア:

[(1, 2016397881), (3, 672132627), (9, 224044209), (27, 74681403), (81, 24893801), (2029, 993789), (6087, 331263), (12269, 164349), (18261, 110421), (36807, 54783)]