1490751423

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{639533}}^1$

素因数の和:639583

約数の個数: 24

約数和(自身を含む): 2527438368

約数和(自身を除く): 1036686945

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 639533, 1918599, 4476731, 5755797, 13430193, 23662721, 40290579, 70988163, 165639047, 212964489, 496917141, 1490751423]

約数ペア:

[(1, 1490751423), (3, 496917141), (7, 212964489), (9, 165639047), (21, 70988163), (37, 40290579), (63, 23662721), (111, 13430193), (259, 5755797), (333, 4476731), (777, 1918599), (2331, 639533)]