28003353

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{967}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 43699392

約数和(自身を除く): 15696039

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 967, 1379, 2901, 4137, 6769, 9653, 20307, 28959, 47383, 142149, 190499, 571497, 1333493, 4000479, 9334451, 28003353]

約数ペア:

[(1, 28003353), (3, 9334451), (7, 4000479), (21, 1333493), (49, 571497), (147, 190499), (197, 142149), (591, 47383), (967, 28959), (1379, 20307), (2901, 9653), (4137, 6769)]