28412637

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20023}}^1$

素因数の和:20080

約数の個数: 16

約数和(自身を含む): 42290688

約数和(自身を除く): 13878051

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20023, 60069, 220253, 660759, 860989, 2582967, 9470879, 28412637]

約数ペア:

[(1, 28412637), (3, 9470879), (11, 2582967), (33, 860989), (43, 660759), (129, 220253), (473, 60069), (1419, 20023)]