51387291

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{2341}}^1$

素因数の和:2624

約数の個数: 20

約数和(自身を含む): 77079904

約数和(自身を除く): 25692613

約数列:

[1, 3, 9, 27, 81, 271, 813, 2341, 2439, 7023, 7317, 21069, 21951, 63207, 189621, 634411, 1903233, 5709699, 17129097, 51387291]

約数ペア:

[(1, 51387291), (3, 17129097), (9, 5709699), (27, 1903233), (81, 634411), (271, 189621), (813, 63207), (2341, 21951), (2439, 21069), (7023, 7317)]