51840081

素因数分解:

$3^4\times {\mathrm{29}}^2\times {\mathrm{761}}^1$

素因数の和:831

約数の個数: 30

約数和(自身を含む): 80307942

約数和(自身を除く): 28467861

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 761, 783, 841, 2283, 2349, 2523, 6849, 7569, 20547, 22069, 22707, 61641, 66207, 68121, 198621, 595863, 640001, 1787589, 1920003, 5760009, 17280027, 51840081]

約数ペア:

[(1, 51840081), (3, 17280027), (9, 5760009), (27, 1920003), (29, 1787589), (81, 640001), (87, 595863), (261, 198621), (761, 68121), (783, 66207), (841, 61641), (2283, 22707), (2349, 22069), (2523, 20547), (6849, 7569)]