199776087

素因数分解:

$3^2\times 7^2\times {\mathrm{613}}^1\times {\mathrm{739}}^1$

素因数の和:1372

約数の個数: 36

約数和(自身を含む): 336680760

約数和(自身を除く): 136904673

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 613, 739, 1839, 2217, 4291, 5173, 5517, 6651, 12873, 15519, 30037, 36211, 38619, 46557, 90111, 108633, 270333, 325899, 453007, 1359021, 3171049, 4077063, 9513147, 22197343, 28539441, 66592029, 199776087]

約数ペア:

[(1, 199776087), (3, 66592029), (7, 28539441), (9, 22197343), (21, 9513147), (49, 4077063), (63, 3171049), (147, 1359021), (441, 453007), (613, 325899), (739, 270333), (1839, 108633), (2217, 90111), (4291, 46557), (5173, 38619), (5517, 36211), (6651, 30037), (12873, 15519)]