7819983

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 28

約数和(自身を含む): 12433968

約数和(自身を除く): 4613985

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 631, 729, 1377, 1893, 4131, 5679, 10727, 12393, 17037, 32181, 51111, 96543, 153333, 289629, 459999, 868887, 2606661, 7819983]

約数ペア:

[(1, 7819983), (3, 2606661), (9, 868887), (17, 459999), (27, 289629), (51, 153333), (81, 96543), (153, 51111), (243, 32181), (459, 17037), (631, 12393), (729, 10727), (1377, 5679), (1893, 4131)]