1640953863

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{996329}}^1$

素因数の和:996399

約数の個数: 16

約数和(自身を含む): 2470898400

約数和(自身を除く): 829944537

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 996329, 2988987, 8966961, 26900883, 60776069, 182328207, 546984621, 1640953863]

約数ペア:

[(1, 1640953863), (3, 546984621), (9, 182328207), (27, 60776069), (61, 26900883), (183, 8966961), (549, 2988987), (1647, 996329)]