28409205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 49932288

約数和(自身を除く): 21523083

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 167, 501, 835, 1031, 1837, 2505, 3093, 5155, 5511, 9185, 11341, 15465, 27555, 34023, 56705, 170115, 172177, 516531, 860885, 1893947, 2582655, 5681841, 9469735, 28409205]

約数ペア:

[(1, 28409205), (3, 9469735), (5, 5681841), (11, 2582655), (15, 1893947), (33, 860885), (55, 516531), (165, 172177), (167, 170115), (501, 56705), (835, 34023), (1031, 27555), (1837, 15465), (2505, 11341), (3093, 9185), (5155, 5511)]