28210761

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{9413}}^1$

素因数の和:9462

約数の個数: 20

約数和(自身を含む): 43285572

約数和(自身を除く): 15074811

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 9413, 28239, 84717, 254151, 348281, 762453, 1044843, 3134529, 9403587, 28210761]

約数ペア:

[(1, 28210761), (3, 9403587), (9, 3134529), (27, 1044843), (37, 762453), (81, 348281), (111, 254151), (333, 84717), (999, 28239), (2997, 9413)]