280384713

素因数分解:

$3^3\times 7^2\times {\mathrm{211931}}^1$

素因数の和:211954

約数の個数: 24

約数和(自身を含む): 483204960

約数和(自身を除く): 202820247

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 211931, 635793, 1483517, 1907379, 4450551, 5722137, 10384619, 13351653, 31153857, 40054959, 93461571, 280384713]

約数ペア:

[(1, 280384713), (3, 93461571), (7, 40054959), (9, 31153857), (21, 13351653), (27, 10384619), (49, 5722137), (63, 4450551), (147, 1907379), (189, 1483517), (441, 635793), (1323, 211931)]