38894427

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 67511808

約数和(自身を除く): 28617381

約数列:

[1, 3, 9, 11, 13, 33, 39, 47, 99, 117, 141, 143, 423, 429, 517, 611, 643, 1287, 1551, 1833, 1929, 4653, 5499, 5787, 6721, 7073, 8359, 20163, 21219, 25077, 30221, 60489, 63657, 75231, 90663, 91949, 271989, 275847, 332431, 392873, 827541, 997293, 1178619, 2991879, 3535857, 4321603, 12964809, 38894427]

約数ペア:

[(1, 38894427), (3, 12964809), (9, 4321603), (11, 3535857), (13, 2991879), (33, 1178619), (39, 997293), (47, 827541), (99, 392873), (117, 332431), (141, 275847), (143, 271989), (423, 91949), (429, 90663), (517, 75231), (611, 63657), (643, 60489), (1287, 30221), (1551, 25077), (1833, 21219), (1929, 20163), (4653, 8359), (5499, 7073), (5787, 6721)]