2189209221

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{4769519}}^1$

素因数の和:4769545

約数の個数: 16

約数和(自身を含む): 3434054400

約数和(自身を除く): 1244845179

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 4769519, 14308557, 42925671, 81081823, 128777013, 243245469, 729736407, 2189209221]

約数ペア:

[(1, 2189209221), (3, 729736407), (9, 243245469), (17, 128777013), (27, 81081823), (51, 42925671), (153, 14308557), (459, 4769519)]