123768729

素因数分解:

$3^4\times 7^1\times {\mathrm{218287}}^1$

素因数の和:218306

約数の個数: 20

約数和(自身を含む): 211302784

約数和(自身を除く): 87534055

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 218287, 654861, 1528009, 1964583, 4584027, 5893749, 13752081, 17681247, 41256243, 123768729]

約数ペア:

[(1, 123768729), (3, 41256243), (7, 17681247), (9, 13752081), (21, 5893749), (27, 4584027), (63, 1964583), (81, 1528009), (189, 654861), (567, 218287)]