263490543

素因数分解:

$3^3\times {\mathrm{461}}^1\times {\mathrm{21169}}^1$

素因数の和:21639

約数の個数: 16

約数和(自身を含む): 391221600

約数和(自身を除く): 127731057

約数列:

[1, 3, 9, 27, 461, 1383, 4149, 12447, 21169, 63507, 190521, 571563, 9758909, 29276727, 87830181, 263490543]

約数ペア:

[(1, 263490543), (3, 87830181), (9, 29276727), (27, 9758909), (461, 571563), (1383, 190521), (4149, 63507), (12447, 21169)]