2001945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1103}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 3523968

約数和(自身を除く): 1522023

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1103, 1815, 3309, 5515, 12133, 16545, 36399, 60665, 133463, 181995, 400389, 667315, 2001945]

約数ペア:

[(1, 2001945), (3, 667315), (5, 400389), (11, 181995), (15, 133463), (33, 60665), (55, 36399), (121, 16545), (165, 12133), (363, 5515), (605, 3309), (1103, 1815)]