28243899

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 43160000

約数和(自身を除く): 14916101

約数列:

[1, 3, 9, 19, 57, 171, 331, 499, 993, 1497, 2979, 4491, 6289, 9481, 18867, 28443, 56601, 85329, 165169, 495507, 1486521, 3138211, 9414633, 28243899]

約数ペア:

[(1, 28243899), (3, 9414633), (9, 3138211), (19, 1486521), (57, 495507), (171, 165169), (331, 85329), (499, 56601), (993, 28443), (1497, 18867), (2979, 9481), (4491, 6289)]