2143989

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:208

約数の個数: 28

約数和(自身を含む): 3423276

約数和(自身を除く): 1279287

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 173, 243, 459, 519, 729, 1377, 1557, 2941, 4131, 4671, 8823, 12393, 14013, 26469, 42039, 79407, 126117, 238221, 714663, 2143989]

約数ペア:

[(1, 2143989), (3, 714663), (9, 238221), (17, 126117), (27, 79407), (51, 42039), (81, 26469), (153, 14013), (173, 12393), (243, 8823), (459, 4671), (519, 4131), (729, 2941), (1377, 1557)]