1997975

素因数分解:

$5^2\times 7^3\times {\mathrm{233}}^1$

素因数の和:264

約数の個数: 24

約数和(自身を含む): 2901600

約数和(自身を除く): 903625

約数列:

[1, 5, 7, 25, 35, 49, 175, 233, 245, 343, 1165, 1225, 1631, 1715, 5825, 8155, 8575, 11417, 40775, 57085, 79919, 285425, 399595, 1997975]

約数ペア:

[(1, 1997975), (5, 399595), (7, 285425), (25, 79919), (35, 57085), (49, 40775), (175, 11417), (233, 8575), (245, 8155), (343, 5825), (1165, 1715), (1225, 1631)]