81712719

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 134042832

約数和(自身を除く): 52330113

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 293, 297, 313, 879, 891, 939, 2637, 2817, 3223, 3443, 7911, 8451, 9669, 10329, 23733, 25353, 29007, 30987, 87021, 91709, 92961, 261063, 275127, 278883, 825381, 1008799, 2476143, 3026397, 7428429, 9079191, 27237573, 81712719]

約数ペア:

[(1, 81712719), (3, 27237573), (9, 9079191), (11, 7428429), (27, 3026397), (33, 2476143), (81, 1008799), (99, 825381), (293, 278883), (297, 275127), (313, 261063), (879, 92961), (891, 91709), (939, 87021), (2637, 30987), (2817, 29007), (3223, 25353), (3443, 23733), (7911, 10329), (8451, 9669)]