12957321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{727}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 18671744

約数和(自身を除く): 5714423

約数列:

[1, 3, 13, 39, 457, 727, 1371, 2181, 5941, 9451, 17823, 28353, 332239, 996717, 4319107, 12957321]

約数ペア:

[(1, 12957321), (3, 4319107), (13, 996717), (39, 332239), (457, 28353), (727, 17823), (1371, 9451), (2181, 5941)]