7800381

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 12545280

約数和(自身を除く): 4744899

約数列:

[1, 3, 9, 23, 27, 53, 69, 79, 81, 159, 207, 237, 477, 621, 711, 1219, 1431, 1817, 1863, 2133, 3657, 4187, 4293, 5451, 6399, 10971, 12561, 16353, 32913, 37683, 49059, 96301, 98739, 113049, 147177, 288903, 339147, 866709, 2600127, 7800381]

約数ペア:

[(1, 7800381), (3, 2600127), (9, 866709), (23, 339147), (27, 288903), (53, 147177), (69, 113049), (79, 98739), (81, 96301), (159, 49059), (207, 37683), (237, 32913), (477, 16353), (621, 12561), (711, 10971), (1219, 6399), (1431, 5451), (1817, 4293), (1863, 4187), (2133, 3657)]