1320791481

素因数分解:

$3^3\times {\mathrm{2111}}^1\times {\mathrm{23173}}^1$

素因数の和:25293

約数の個数: 16

約数和(自身を含む): 1957739520

約数和(自身を除く): 636948039

約数列:

[1, 3, 9, 27, 2111, 6333, 18999, 23173, 56997, 69519, 208557, 625671, 48918203, 146754609, 440263827, 1320791481]

約数ペア:

[(1, 1320791481), (3, 440263827), (9, 146754609), (27, 48918203), (2111, 625671), (6333, 208557), (18999, 69519), (23173, 56997)]