208831689

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{811}}^1$

素因数の和:868

約数の個数: 60

約数和(自身を含む): 361960368

約数和(自身を除く): 153128679

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 289, 297, 459, 561, 811, 867, 891, 1377, 1683, 2433, 2601, 3179, 5049, 7299, 7803, 8921, 9537, 13787, 15147, 21897, 23409, 26763, 28611, 41361, 65691, 80289, 85833, 124083, 151657, 234379, 240867, 257499, 372249, 454971, 703137, 722601, 1116747, 1364913, 2109411, 2578169, 4094739, 6328233, 7734507, 12284217, 18984699, 23203521, 69610563, 208831689]

約数ペア:

[(1, 208831689), (3, 69610563), (9, 23203521), (11, 18984699), (17, 12284217), (27, 7734507), (33, 6328233), (51, 4094739), (81, 2578169), (99, 2109411), (153, 1364913), (187, 1116747), (289, 722601), (297, 703137), (459, 454971), (561, 372249), (811, 257499), (867, 240867), (891, 234379), (1377, 151657), (1683, 124083), (2433, 85833), (2601, 80289), (3179, 65691), (5049, 41361), (7299, 28611), (7803, 26763), (8921, 23409), (9537, 21897), (13787, 15147)]