2788587

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 20

約数和(自身を含む): 4210800

約数和(自身を除く): 1422213

約数列:

[1, 3, 9, 27, 81, 173, 199, 519, 597, 1557, 1791, 4671, 5373, 14013, 16119, 34427, 103281, 309843, 929529, 2788587]

約数ペア:

[(1, 2788587), (3, 929529), (9, 309843), (27, 103281), (81, 34427), (173, 16119), (199, 14013), (519, 5373), (597, 4671), (1557, 1791)]