28531755

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 57620160

約数和(自身を除く): 29088405

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 795, 1113, 1709, 1855, 2385, 3339, 5127, 5565, 8545, 11963, 15381, 16695, 25635, 35889, 59815, 76905, 90577, 107667, 179445, 271731, 452885, 538335, 634039, 815193, 1358655, 1902117, 3170195, 4075965, 5706351, 9510585, 28531755]

約数ペア:

[(1, 28531755), (3, 9510585), (5, 5706351), (7, 4075965), (9, 3170195), (15, 1902117), (21, 1358655), (35, 815193), (45, 634039), (53, 538335), (63, 452885), (105, 271731), (159, 179445), (265, 107667), (315, 90577), (371, 76905), (477, 59815), (795, 35889), (1113, 25635), (1709, 16695), (1855, 15381), (2385, 11963), (3339, 8545), (5127, 5565)]