28688643

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{77747}}^1$

素因数の和:77794

約数の個数: 12

約数和(自身を含む): 42450408

約数和(自身を除く): 13761765

約数列:

[1, 3, 9, 41, 123, 369, 77747, 233241, 699723, 3187627, 9562881, 28688643]

約数ペア:

[(1, 28688643), (3, 9562881), (9, 3187627), (41, 699723), (123, 233241), (369, 77747)]