28404321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{977}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 41404608

約数和(自身を除く): 13000287

約数列:

[1, 3, 11, 33, 881, 977, 2643, 2931, 9691, 10747, 29073, 32241, 860737, 2582211, 9468107, 28404321]

約数ペア:

[(1, 28404321), (3, 9468107), (11, 2582211), (33, 860737), (881, 32241), (977, 29073), (2643, 10747), (2931, 9691)]