28349643

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20149}}^1$

素因数の和:20226

約数の個数: 16

約数和(自身を含む): 43846400

約数和(自身を除く): 15496757

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20149, 60447, 141043, 423129, 1349983, 4049949, 9449881, 28349643]

約数ペア:

[(1, 28349643), (3, 9449881), (7, 4049949), (21, 1349983), (67, 423129), (201, 141043), (469, 60447), (1407, 20149)]