117321729

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{16981}}^1$

素因数の和:17045

約数の個数: 24

約数和(自身を含む): 185851008

約数和(自身を除く): 68529279

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 16981, 50943, 118867, 356601, 798107, 832069, 2394321, 2496207, 5586749, 16760247, 39107243, 117321729]

約数ペア:

[(1, 117321729), (3, 39107243), (7, 16760247), (21, 5586749), (47, 2496207), (49, 2394321), (141, 832069), (147, 798107), (329, 356601), (987, 118867), (2303, 50943), (6909, 16981)]