28381149

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{821}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 43085952

約数和(自身を除く): 14704803

約数列:

[1, 3, 9, 23, 69, 167, 207, 501, 821, 1503, 2463, 3841, 7389, 11523, 18883, 34569, 56649, 137107, 169947, 411321, 1233963, 3153461, 9460383, 28381149]

約数ペア:

[(1, 28381149), (3, 9460383), (9, 3153461), (23, 1233963), (69, 411321), (167, 169947), (207, 137107), (501, 56649), (821, 34569), (1503, 18883), (2463, 11523), (3841, 7389)]