18541197

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 29126400

約数和(自身を除く): 10585203

約数列:

[1, 3, 9, 23, 27, 69, 73, 207, 219, 409, 621, 657, 1227, 1679, 1971, 3681, 5037, 9407, 11043, 15111, 28221, 29857, 45333, 84663, 89571, 253989, 268713, 686711, 806139, 2060133, 6180399, 18541197]

約数ペア:

[(1, 18541197), (3, 6180399), (9, 2060133), (23, 806139), (27, 686711), (69, 268713), (73, 253989), (207, 89571), (219, 84663), (409, 45333), (621, 29857), (657, 28221), (1227, 15111), (1679, 11043), (1971, 9407), (3681, 5037)]