28255521

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{10271}}^1$

素因数の和:10412

約数の個数: 16

約数和(自身を含む): 43388928

約数和(自身を除く): 15133407

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 10271, 30813, 71897, 215691, 1345501, 4036503, 9418507, 28255521]

約数ペア:

[(1, 28255521), (3, 9418507), (7, 4036503), (21, 1345501), (131, 215691), (393, 71897), (917, 30813), (2751, 10271)]