2748857229

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{1109}}^1$

素因数の和:1623

約数の個数: 40

約数和(自身を含む): 4177578240

約数和(自身を除く): 1428721011

約数列:

[1, 3, 9, 27, 71, 81, 213, 431, 639, 1109, 1293, 1917, 3327, 3879, 5751, 9981, 11637, 29943, 30601, 34911, 78739, 89829, 91803, 236217, 275409, 477979, 708651, 826227, 1433937, 2125953, 2478681, 4301811, 6377859, 12905433, 33936509, 38716299, 101809527, 305428581, 916285743, 2748857229]

約数ペア:

[(1, 2748857229), (3, 916285743), (9, 305428581), (27, 101809527), (71, 38716299), (81, 33936509), (213, 12905433), (431, 6377859), (639, 4301811), (1109, 2478681), (1293, 2125953), (1917, 1433937), (3327, 826227), (3879, 708651), (5751, 477979), (9981, 275409), (11637, 236217), (29943, 91803), (30601, 89829), (34911, 78739)]