28888905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44789}}^1$

素因数の和:44840

約数の個数: 16

約数和(自身を含む): 47298240

約数和(自身を除く): 18409335

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 44789, 134367, 223945, 671835, 1925927, 5777781, 9629635, 28888905]

約数ペア:

[(1, 28888905), (3, 9629635), (5, 5777781), (15, 1925927), (43, 671835), (129, 223945), (215, 134367), (645, 44789)]