13320405

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{863}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 26956800

約数和(自身を除く): 13636395

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 863, 1029, 1715, 2205, 2589, 3087, 4315, 5145, 6041, 7767, 12945, 15435, 18123, 30205, 38835, 42287, 54369, 90615, 126861, 211435, 271845, 296009, 380583, 634305, 888027, 1480045, 1902915, 2664081, 4440135, 13320405]

約数ペア:

[(1, 13320405), (3, 4440135), (5, 2664081), (7, 1902915), (9, 1480045), (15, 888027), (21, 634305), (35, 380583), (45, 296009), (49, 271845), (63, 211435), (105, 126861), (147, 90615), (245, 54369), (315, 42287), (343, 38835), (441, 30205), (735, 18123), (863, 15435), (1029, 12945), (1715, 7767), (2205, 6041), (2589, 5145), (3087, 4315)]