255220281

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{178351}}^1$

素因数の和:178413

約数の個数: 16

約数和(自身を含む): 385240320

約数和(自身を除く): 130020039

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 178351, 535053, 1605159, 4815477, 9452603, 28357809, 85073427, 255220281]

約数ペア:

[(1, 255220281), (3, 85073427), (9, 28357809), (27, 9452603), (53, 4815477), (159, 1605159), (477, 535053), (1431, 178351)]