27815905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 10568735

約数列:

[1, 5, 13, 19, 65, 95, 101, 223, 247, 505, 1115, 1235, 1313, 1919, 2899, 4237, 6565, 9595, 14495, 21185, 22523, 24947, 55081, 112615, 124735, 275405, 292799, 427937, 1463995, 2139685, 5563181, 27815905]

約数ペア:

[(1, 27815905), (5, 5563181), (13, 2139685), (19, 1463995), (65, 427937), (95, 292799), (101, 275405), (223, 124735), (247, 112615), (505, 55081), (1115, 24947), (1235, 22523), (1313, 21185), (1919, 14495), (2899, 9595), (4237, 6565)]