28945665

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 58700928

約数和(自身を除く): 29755263

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2137, 2709, 4515, 6411, 10685, 13545, 14959, 19233, 32055, 44877, 74795, 91891, 96165, 134631, 224385, 275673, 459455, 643237, 673155, 827019, 1378365, 1929711, 3216185, 4135095, 5789133, 9648555, 28945665]

約数ペア:

[(1, 28945665), (3, 9648555), (5, 5789133), (7, 4135095), (9, 3216185), (15, 1929711), (21, 1378365), (35, 827019), (43, 673155), (45, 643237), (63, 459455), (105, 275673), (129, 224385), (215, 134631), (301, 96165), (315, 91891), (387, 74795), (645, 44877), (903, 32055), (1505, 19233), (1935, 14959), (2137, 13545), (2709, 10685), (4515, 6411)]