28012743

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 45573120

約数和(自身を除く): 17560377

約数列:

[1, 3, 9, 11, 27, 33, 99, 257, 297, 367, 771, 1101, 2313, 2827, 3303, 4037, 6939, 8481, 9909, 12111, 25443, 36333, 76329, 94319, 108999, 282957, 848871, 1037509, 2546613, 3112527, 9337581, 28012743]

約数ペア:

[(1, 28012743), (3, 9337581), (9, 3112527), (11, 2546613), (27, 1037509), (33, 848871), (99, 282957), (257, 108999), (297, 94319), (367, 76329), (771, 36333), (1101, 25443), (2313, 12111), (2827, 9909), (3303, 8481), (4037, 6939)]