28863729

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 44697600

約数和(自身を除く): 15833871

約数列:

[1, 3, 9, 27, 29, 87, 191, 193, 261, 573, 579, 783, 1719, 1737, 5157, 5211, 5539, 5597, 16617, 16791, 36863, 49851, 50373, 110589, 149553, 151119, 331767, 995301, 1069027, 3207081, 9621243, 28863729]

約数ペア:

[(1, 28863729), (3, 9621243), (9, 3207081), (27, 1069027), (29, 995301), (87, 331767), (191, 151119), (193, 149553), (261, 110589), (573, 50373), (579, 49851), (783, 36863), (1719, 16791), (1737, 16617), (5157, 5597), (5211, 5539)]