28869777

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{3331}}^1$

素因数の和:3450

約数の個数: 20

約数和(自身を含む): 43542576

約数和(自身を除く): 14672799

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 3331, 8667, 9993, 29979, 89937, 269811, 356417, 1069251, 3207753, 9623259, 28869777]

約数ペア:

[(1, 28869777), (3, 9623259), (9, 3207753), (27, 1069251), (81, 356417), (107, 269811), (321, 89937), (963, 29979), (2889, 9993), (3331, 8667)]