28512351

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 48545280

約数和(自身を除く): 20032929

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 587, 771, 1761, 1799, 2313, 4109, 5283, 5397, 6939, 12327, 15849, 16191, 36981, 48573, 110943, 150859, 452577, 1056013, 1357731, 3168039, 4073193, 9504117, 28512351]

約数ペア:

[(1, 28512351), (3, 9504117), (7, 4073193), (9, 3168039), (21, 1357731), (27, 1056013), (63, 452577), (189, 150859), (257, 110943), (587, 48573), (771, 36981), (1761, 16191), (1799, 15849), (2313, 12327), (4109, 6939), (5283, 5397)]