257547147

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1663}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 426037248

約数和(自身を除く): 168490101

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 361, 429, 627, 741, 1083, 1663, 2717, 3971, 4693, 4989, 8151, 11913, 14079, 18293, 21619, 31597, 51623, 54879, 64857, 94791, 154869, 237809, 347567, 410761, 600343, 713427, 1042701, 1232283, 1801029, 4518371, 6603773, 7804459, 13555113, 19811319, 23413377, 85849049, 257547147]

約数ペア:

[(1, 257547147), (3, 85849049), (11, 23413377), (13, 19811319), (19, 13555113), (33, 7804459), (39, 6603773), (57, 4518371), (143, 1801029), (209, 1232283), (247, 1042701), (361, 713427), (429, 600343), (627, 410761), (741, 347567), (1083, 237809), (1663, 154869), (2717, 94791), (3971, 64857), (4693, 54879), (4989, 51623), (8151, 31597), (11913, 21619), (14079, 18293)]