7949025

素因数分解:

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

素因数の和:140

約数の個数: 72

約数和(自身を含む): 16764800

約数和(自身を除く): 8815775

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 103, 105, 147, 175, 225, 245, 309, 315, 343, 441, 515, 525, 721, 735, 927, 1029, 1225, 1545, 1575, 1715, 2163, 2205, 2575, 3087, 3605, 3675, 4635, 5047, 5145, 6489, 7725, 8575, 10815, 11025, 15141, 15435, 18025, 23175, 25235, 25725, 32445, 35329, 45423, 54075, 75705, 77175, 105987, 126175, 162225, 176645, 227115, 317961, 378525, 529935, 883225, 1135575, 1589805, 2649675, 7949025]

約数ペア:

[(1, 7949025), (3, 2649675), (5, 1589805), (7, 1135575), (9, 883225), (15, 529935), (21, 378525), (25, 317961), (35, 227115), (45, 176645), (49, 162225), (63, 126175), (75, 105987), (103, 77175), (105, 75705), (147, 54075), (175, 45423), (225, 35329), (245, 32445), (309, 25725), (315, 25235), (343, 23175), (441, 18025), (515, 15435), (525, 15141), (721, 11025), (735, 10815), (927, 8575), (1029, 7725), (1225, 6489), (1545, 5145), (1575, 5047), (1715, 4635), (2163, 3675), (2205, 3605), (2575, 3087)]