28125057

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2137}}^1$

素因数の和:2288

約数の個数: 16

約数和(自身を含む): 38791872

約数和(自身を除く): 10666815

約数列:

[1, 3, 41, 107, 123, 321, 2137, 4387, 6411, 13161, 87617, 228659, 262851, 685977, 9375019, 28125057]

約数ペア:

[(1, 28125057), (3, 9375019), (41, 685977), (107, 262851), (123, 228659), (321, 87617), (2137, 13161), (4387, 6411)]