12938247

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5009}}^1$

素因数の和:5063

約数の個数: 24

約数和(自身を含む): 21883680

約数和(自身を除く): 8945433

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 5009, 15027, 35063, 45081, 105189, 205369, 315567, 616107, 1437583, 1848321, 4312749, 12938247]

約数ペア:

[(1, 12938247), (3, 4312749), (7, 1848321), (9, 1437583), (21, 616107), (41, 315567), (63, 205369), (123, 105189), (287, 45081), (369, 35063), (861, 15027), (2583, 5009)]