15278151

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 24805032

約数和(自身を除く): 9526881

約数列:

[1, 3, 7, 21, 37, 49, 53, 111, 147, 159, 259, 371, 777, 1113, 1813, 1961, 2597, 2809, 5439, 5883, 7791, 8427, 13727, 19663, 41181, 58989, 96089, 103933, 137641, 288267, 311799, 412923, 727531, 2182593, 5092717, 15278151]

約数ペア:

[(1, 15278151), (3, 5092717), (7, 2182593), (21, 727531), (37, 412923), (49, 311799), (53, 288267), (111, 137641), (147, 103933), (159, 96089), (259, 58989), (371, 41181), (777, 19663), (1113, 13727), (1813, 8427), (1961, 7791), (2597, 5883), (2809, 5439)]