2778896511

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{211339}}^1$

素因数の和:211835

約数の個数: 16

約数和(自身を含む): 4125356800

約数和(自身を除く): 1346460289

約数列:

[1, 3, 9, 27, 487, 1461, 4383, 13149, 211339, 634017, 1902051, 5706153, 102922093, 308766279, 926298837, 2778896511]

約数ペア:

[(1, 2778896511), (3, 926298837), (9, 308766279), (27, 102922093), (487, 5706153), (1461, 1902051), (4383, 634017), (13149, 211339)]