12882321

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1182

約数の個数: 20

約数和(自身を含む): 19385652

約数和(自身を除く): 6503331

約数列:

[1, 3, 9, 27, 81, 157, 471, 1013, 1413, 3039, 4239, 9117, 12717, 27351, 82053, 159041, 477123, 1431369, 4294107, 12882321]

約数ペア:

[(1, 12882321), (3, 4294107), (9, 1431369), (27, 477123), (81, 159041), (157, 82053), (471, 27351), (1013, 12717), (1413, 9117), (3039, 4239)]