12889287

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{701}}^1$

素因数の和:940

約数の個数: 20

約数和(自身を含む): 19366776

約数和(自身を除く): 6477489

約数列:

[1, 3, 9, 27, 81, 227, 681, 701, 2043, 2103, 6129, 6309, 18387, 18927, 56781, 159127, 477381, 1432143, 4296429, 12889287]

約数ペア:

[(1, 12889287), (3, 4296429), (9, 1432143), (27, 477381), (81, 159127), (227, 56781), (681, 18927), (701, 18387), (2043, 6309), (2103, 6129)]