2104305

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{409}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 3936000

約数和(自身を除く): 1831695

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 409, 735, 1029, 1227, 1715, 2045, 2863, 5145, 6135, 8589, 14315, 20041, 42945, 60123, 100205, 140287, 300615, 420861, 701435, 2104305]

約数ペア:

[(1, 2104305), (3, 701435), (5, 420861), (7, 300615), (15, 140287), (21, 100205), (35, 60123), (49, 42945), (105, 20041), (147, 14315), (245, 8589), (343, 6135), (409, 5145), (735, 2863), (1029, 2045), (1227, 1715)]