890488143

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 1397541600

約数和(自身を除く): 507053457

約数列:

[1, 3, 9, 19, 41, 57, 123, 157, 171, 369, 471, 779, 809, 1413, 2337, 2427, 2983, 6437, 7011, 7281, 8949, 15371, 19311, 26847, 33169, 46113, 57933, 99507, 122303, 127013, 138339, 298521, 366909, 381039, 630211, 1100727, 1143117, 1890633, 2413247, 5207533, 5671899, 7239741, 15622599, 21719223, 46867797, 98943127, 296829381, 890488143]

約数ペア:

[(1, 890488143), (3, 296829381), (9, 98943127), (19, 46867797), (41, 21719223), (57, 15622599), (123, 7239741), (157, 5671899), (171, 5207533), (369, 2413247), (471, 1890633), (779, 1143117), (809, 1100727), (1413, 630211), (2337, 381039), (2427, 366909), (2983, 298521), (6437, 138339), (7011, 127013), (7281, 122303), (8949, 99507), (15371, 57933), (19311, 46113), (26847, 33169)]