1990453857

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1\times {\mathrm{4721}}^1$

素因数の和:5929

約数の個数: 32

約数和(自身を含む): 3214888704

約数和(自身を除く): 1224434847

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1181, 3543, 4721, 8267, 14163, 20077, 24801, 33047, 60231, 80257, 99141, 140539, 240771, 421617, 561799, 1685397, 5575501, 16726503, 39028507, 94783517, 117085521, 284350551, 663484619, 1990453857]

約数ペア:

[(1, 1990453857), (3, 663484619), (7, 284350551), (17, 117085521), (21, 94783517), (51, 39028507), (119, 16726503), (357, 5575501), (1181, 1685397), (3543, 561799), (4721, 421617), (8267, 240771), (14163, 140539), (20077, 99141), (24801, 80257), (33047, 60231)]