28212237

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1969

約数の個数: 24

約数和(自身を含む): 43128384

約数和(自身を除く): 14916147

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1679, 1867, 5037, 5601, 15111, 16803, 42941, 128823, 136291, 386469, 408873, 1226619, 3134693, 9404079, 28212237]

約数ペア:

[(1, 28212237), (3, 9404079), (9, 3134693), (23, 1226619), (69, 408873), (73, 386469), (207, 136291), (219, 128823), (657, 42941), (1679, 16803), (1867, 15111), (5037, 5601)]