2009557557

素因数分解:

$3^2\times 7^1\times {\mathrm{3457}}^1\times {\mathrm{9227}}^1$

素因数の和:12697

約数の個数: 24

約数和(自身を含む): 3318684096

約数和(自身を除く): 1309126539

約数列:

[1, 3, 7, 9, 21, 63, 3457, 9227, 10371, 24199, 27681, 31113, 64589, 72597, 83043, 193767, 217791, 581301, 31897739, 95693217, 223284173, 287079651, 669852519, 2009557557]

約数ペア:

[(1, 2009557557), (3, 669852519), (7, 287079651), (9, 223284173), (21, 95693217), (63, 31897739), (3457, 581301), (9227, 217791), (10371, 193767), (24199, 83043), (27681, 72597), (31113, 64589)]