278281323

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{2441}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 411428160

約数和(自身を除く): 133146837

約数列:

[1, 3, 9, 53, 159, 239, 477, 717, 2151, 2441, 7323, 12667, 21969, 38001, 114003, 129373, 388119, 583399, 1164357, 1750197, 5250591, 30920147, 92760441, 278281323]

約数ペア:

[(1, 278281323), (3, 92760441), (9, 30920147), (53, 5250591), (159, 1750197), (239, 1164357), (477, 583399), (717, 388119), (2151, 129373), (2441, 114003), (7323, 38001), (12667, 21969)]