27897453

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18127}}^1$

素因数の和:18158

約数の個数: 20

約数和(自身を含む): 43869760

約数和(自身を除く): 15972307

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18127, 54381, 163143, 344413, 489429, 1033239, 1468287, 3099717, 9299151, 27897453]

約数ペア:

[(1, 27897453), (3, 9299151), (9, 3099717), (19, 1468287), (27, 1033239), (57, 489429), (81, 344413), (171, 163143), (513, 54381), (1539, 18127)]