78466563

素因数分解:

$3^4\times 7^1\times {\mathrm{138389}}^1$

素因数の和:138408

約数の個数: 20

約数和(自身を含む): 133961520

約数和(自身を除く): 55494957

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 138389, 415167, 968723, 1245501, 2906169, 3736503, 8718507, 11209509, 26155521, 78466563]

約数ペア:

[(1, 78466563), (3, 26155521), (7, 11209509), (9, 8718507), (21, 3736503), (27, 2906169), (63, 1245501), (81, 968723), (189, 415167), (567, 138389)]