2178749661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^2\times {\mathrm{5557}}^1$

素因数の和:5789

約数の個数: 24

約数和(自身を含む): 3199006944

約数和(自身を除く): 1020257283

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5557, 11881, 16671, 35643, 61127, 130691, 183381, 392073, 605713, 1817139, 6662843, 19988529, 66022717, 198068151, 726249887, 2178749661]

約数ペア:

[(1, 2178749661), (3, 726249887), (11, 198068151), (33, 66022717), (109, 19988529), (327, 6662843), (1199, 1817139), (3597, 605713), (5557, 392073), (11881, 183381), (16671, 130691), (35643, 61127)]