28278723

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1789}}^1$

素因数の和:2282

約数の個数: 16

約数和(自身を含む): 41241600

約数和(自身を除く): 12962877

約数列:

[1, 3, 11, 33, 479, 1437, 1789, 5269, 5367, 15807, 19679, 59037, 856931, 2570793, 9426241, 28278723]

約数ペア:

[(1, 28278723), (3, 9426241), (11, 2570793), (33, 856931), (479, 59037), (1437, 19679), (1789, 15807), (5269, 5367)]