81552321

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{7621}}^1$

素因数の和:7697

約数の個数: 24

約数和(自身を含む): 124848360

約数和(自身を除く): 43296039

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 1189, 3567, 7621, 10701, 22863, 68589, 221009, 312461, 663027, 937383, 1989081, 2812149, 9061369, 27184107, 81552321]

約数ペア:

[(1, 81552321), (3, 27184107), (9, 9061369), (29, 2812149), (41, 1989081), (87, 937383), (123, 663027), (261, 312461), (369, 221009), (1189, 68589), (3567, 22863), (7621, 10701)]