28238745

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43781}}^1$

素因数の和:43832

約数の個数: 16

約数和(自身を含む): 46233792

約数和(自身を除く): 17995047

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 43781, 131343, 218905, 656715, 1882583, 5647749, 9412915, 28238745]

約数ペア:

[(1, 28238745), (3, 9412915), (5, 5647749), (15, 1882583), (43, 656715), (129, 218905), (215, 131343), (645, 43781)]