2649675

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{103}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 5158400

約数和(自身を除く): 2508725

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 103, 105, 147, 175, 245, 309, 343, 515, 525, 721, 735, 1029, 1225, 1545, 1715, 2163, 2575, 3605, 3675, 5047, 5145, 7725, 8575, 10815, 15141, 18025, 25235, 25725, 35329, 54075, 75705, 105987, 126175, 176645, 378525, 529935, 883225, 2649675]

約数ペア:

[(1, 2649675), (3, 883225), (5, 529935), (7, 378525), (15, 176645), (21, 126175), (25, 105987), (35, 75705), (49, 54075), (75, 35329), (103, 25725), (105, 25235), (147, 18025), (175, 15141), (245, 10815), (309, 8575), (343, 7725), (515, 5145), (525, 5047), (721, 3675), (735, 3605), (1029, 2575), (1225, 2163), (1545, 1715)]