128215317

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 180127584

約数和(自身を除く): 51912267

約数列:

[1, 3, 23, 69, 173, 467, 519, 529, 1401, 1587, 3979, 10741, 11937, 32223, 80791, 91517, 242373, 247043, 274551, 741129, 1858193, 5574579, 42738439, 128215317]

約数ペア:

[(1, 128215317), (3, 42738439), (23, 5574579), (69, 1858193), (173, 741129), (467, 274551), (519, 247043), (529, 242373), (1401, 91517), (1587, 80791), (3979, 32223), (10741, 11937)]