270891

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 16

約数和(自身を含む): 409600

約数和(自身を除く): 138709

約数列:

[1, 3, 9, 27, 79, 127, 237, 381, 711, 1143, 2133, 3429, 10033, 30099, 90297, 270891]

約数ペア:

[(1, 270891), (3, 90297), (9, 30099), (27, 10033), (79, 3429), (127, 2133), (237, 1143), (381, 711)]