25404723

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 37739520

約数和(自身を除く): 12334797

約数列:

[1, 3, 9, 71, 83, 213, 249, 479, 639, 747, 1437, 4311, 5893, 17679, 34009, 39757, 53037, 102027, 119271, 306081, 357813, 2822747, 8468241, 25404723]

約数ペア:

[(1, 25404723), (3, 8468241), (9, 2822747), (71, 357813), (83, 306081), (213, 119271), (249, 102027), (479, 53037), (639, 39757), (747, 34009), (1437, 17679), (4311, 5893)]