12831453

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1178

約数の個数: 20

約数和(自身を含む): 19309180

約数和(自身を除く): 6477727

約数列:

[1, 3, 9, 27, 81, 157, 471, 1009, 1413, 3027, 4239, 9081, 12717, 27243, 81729, 158413, 475239, 1425717, 4277151, 12831453]

約数ペア:

[(1, 12831453), (3, 4277151), (9, 1425717), (27, 475239), (81, 158413), (157, 81729), (471, 27243), (1009, 12717), (1413, 9081), (3027, 4239)]