28887615

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14929}}^1$

素因数の和:14983

約数の個数: 24

約数和(自身を含む): 51239760

約数和(自身を除く): 22352145

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14929, 44787, 74645, 134361, 223935, 641947, 671805, 1925841, 3209735, 5777523, 9629205, 28887615]

約数ペア:

[(1, 28887615), (3, 9629205), (5, 5777523), (9, 3209735), (15, 1925841), (43, 671805), (45, 641947), (129, 223935), (215, 134361), (387, 74645), (645, 44787), (1935, 14929)]