28640439

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{3389}}^1$

素因数の和:3711

約数の個数: 16

約数和(自身を含む): 42578400

約数和(自身を除く): 13937961

約数列:

[1, 3, 9, 27, 313, 939, 2817, 3389, 8451, 10167, 30501, 91503, 1060757, 3182271, 9546813, 28640439]

約数ペア:

[(1, 28640439), (3, 9546813), (9, 3182271), (27, 1060757), (313, 91503), (939, 30501), (2817, 10167), (3389, 8451)]