28267731

素因数分解:

$3^3\times {\mathrm{331}}^1\times {\mathrm{3163}}^1$

素因数の和:3503

約数の個数: 16

約数和(自身を含む): 42017920

約数和(自身を除く): 13750189

約数列:

[1, 3, 9, 27, 331, 993, 2979, 3163, 8937, 9489, 28467, 85401, 1046953, 3140859, 9422577, 28267731]

約数ペア:

[(1, 28267731), (3, 9422577), (9, 3140859), (27, 1046953), (331, 85401), (993, 28467), (2979, 9489), (3163, 8937)]