128571003

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2243}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 208961280

約数和(自身を除く): 80390277

約数列:

[1, 3, 9, 11, 27, 33, 99, 193, 297, 579, 1737, 2123, 2243, 5211, 6369, 6729, 19107, 20187, 24673, 57321, 60561, 74019, 222057, 432899, 666171, 1298697, 3896091, 4761889, 11688273, 14285667, 42857001, 128571003]

約数ペア:

[(1, 128571003), (3, 42857001), (9, 14285667), (11, 11688273), (27, 4761889), (33, 3896091), (99, 1298697), (193, 666171), (297, 432899), (579, 222057), (1737, 74019), (2123, 60561), (2243, 57321), (5211, 24673), (6369, 20187), (6729, 19107)]