42824781

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 67651584

約数和(自身を除く): 24826803

約数列:

[1, 3, 9, 23, 27, 69, 81, 127, 181, 207, 381, 543, 621, 1143, 1629, 1863, 2921, 3429, 4163, 4887, 8763, 10287, 12489, 14661, 22987, 26289, 37467, 68961, 78867, 112401, 206883, 236601, 337203, 528701, 620649, 1586103, 1861947, 4758309, 14274927, 42824781]

約数ペア:

[(1, 42824781), (3, 14274927), (9, 4758309), (23, 1861947), (27, 1586103), (69, 620649), (81, 528701), (127, 337203), (181, 236601), (207, 206883), (381, 112401), (543, 78867), (621, 68961), (1143, 37467), (1629, 26289), (1863, 22987), (2921, 14661), (3429, 12489), (4163, 10287), (4887, 8763)]