28790085

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 47642112

約数和(自身を除く): 18852027

約数列:

[1, 3, 5, 15, 47, 97, 141, 235, 291, 421, 485, 705, 1263, 1455, 2105, 4559, 6315, 13677, 19787, 22795, 40837, 59361, 68385, 98935, 122511, 204185, 296805, 612555, 1919339, 5758017, 9596695, 28790085]

約数ペア:

[(1, 28790085), (3, 9596695), (5, 5758017), (15, 1919339), (47, 612555), (97, 296805), (141, 204185), (235, 122511), (291, 98935), (421, 68385), (485, 59361), (705, 40837), (1263, 22795), (1455, 19787), (2105, 13677), (4559, 6315)]