28239645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 52496640

約数和(自身を除く): 24256995

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 4409, 6405, 13227, 22045, 30863, 66135, 92589, 154315, 268949, 462945, 806847, 1344745, 1882643, 4034235, 5647929, 9413215, 28239645]

約数ペア:

[(1, 28239645), (3, 9413215), (5, 5647929), (7, 4034235), (15, 1882643), (21, 1344745), (35, 806847), (61, 462945), (105, 268949), (183, 154315), (305, 92589), (427, 66135), (915, 30863), (1281, 22045), (2135, 13227), (4409, 6405)]