2001219

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 3032400

約数和(自身を除く): 1031181

約数列:

[1, 3, 11, 33, 37, 111, 121, 149, 363, 407, 447, 1221, 1639, 4477, 4917, 5513, 13431, 16539, 18029, 54087, 60643, 181929, 667073, 2001219]

約数ペア:

[(1, 2001219), (3, 667073), (11, 181929), (33, 60643), (37, 54087), (111, 18029), (121, 16539), (149, 13431), (363, 5513), (407, 4917), (447, 4477), (1221, 1639)]