81905643

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2083}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 125815248

約数和(自身を除く): 43909605

約数列:

[1, 3, 9, 17, 51, 153, 257, 771, 2083, 2313, 4369, 6249, 13107, 18747, 35411, 39321, 106233, 318699, 535331, 1605993, 4817979, 9100627, 27301881, 81905643]

約数ペア:

[(1, 81905643), (3, 27301881), (9, 9100627), (17, 4817979), (51, 1605993), (153, 535331), (257, 318699), (771, 106233), (2083, 39321), (2313, 35411), (4369, 18747), (6249, 13107)]