2515905

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{163}}^1$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 5116800

約数和(自身を除く): 2600895

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 163, 245, 315, 343, 441, 489, 735, 815, 1029, 1141, 1467, 1715, 2205, 2445, 3087, 3423, 5145, 5705, 7335, 7987, 10269, 15435, 17115, 23961, 39935, 51345, 55909, 71883, 119805, 167727, 279545, 359415, 503181, 838635, 2515905]

約数ペア:

[(1, 2515905), (3, 838635), (5, 503181), (7, 359415), (9, 279545), (15, 167727), (21, 119805), (35, 71883), (45, 55909), (49, 51345), (63, 39935), (105, 23961), (147, 17115), (163, 15435), (245, 10269), (315, 7987), (343, 7335), (441, 5705), (489, 5145), (735, 3423), (815, 3087), (1029, 2445), (1141, 2205), (1467, 1715)]