28876281

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{16567}}^1$

素因数の和:16660

約数の個数: 16

約数和(自身を含む): 44534784

約数和(自身を除く): 15658503

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 16567, 49701, 115969, 347907, 1375061, 4125183, 9625427, 28876281]

約数ペア:

[(1, 28876281), (3, 9625427), (7, 4125183), (21, 1375061), (83, 347907), (249, 115969), (581, 49701), (1743, 16567)]