291219989391

素因数分解:

$3^4\times {\mathrm{4591}}^1\times {\mathrm{783121}}^1$

素因数の和:787724

約数の個数: 20

約数和(自身を含む): 435127643104

約数和(自身を除く): 143907653713

約数列:

[1, 3, 9, 27, 81, 4591, 13773, 41319, 123957, 371871, 783121, 2349363, 7048089, 21144267, 63432801, 3595308511, 10785925533, 32357776599, 97073329797, 291219989391]

約数ペア:

[(1, 291219989391), (3, 97073329797), (9, 32357776599), (27, 10785925533), (81, 3595308511), (4591, 63432801), (13773, 21144267), (41319, 7048089), (123957, 2349363), (371871, 783121)]