12880539

素因数分解:

$3^4\times 7^1\times {\mathrm{22717}}^1$

素因数の和:22736

約数の個数: 20

約数和(自身を含む): 21991024

約数和(自身を除く): 9110485

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22717, 68151, 159019, 204453, 477057, 613359, 1431171, 1840077, 4293513, 12880539]

約数ペア:

[(1, 12880539), (3, 4293513), (7, 1840077), (9, 1431171), (21, 613359), (27, 477057), (63, 204453), (81, 159019), (189, 68151), (567, 22717)]