218139698889

素因数分解:

$3^3\times 7^1\times {\mathrm{1154178301}}^1$

素因数の和:1154178317

約数の個数: 16

約数和(自身を含む): 369337056640

約数和(自身を除く): 151197357751

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1154178301, 3462534903, 8079248107, 10387604709, 24237744321, 31162814127, 72713232963, 218139698889]

約数ペア:

[(1, 218139698889), (3, 72713232963), (7, 31162814127), (9, 24237744321), (21, 10387604709), (27, 8079248107), (63, 3462534903), (189, 1154178301)]