28157535

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 28451745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 497, 639, 1065, 1259, 1491, 2485, 3195, 3777, 4473, 6295, 7455, 8813, 11331, 18885, 22365, 26439, 44065, 56655, 79317, 89389, 132195, 268167, 396585, 446945, 625723, 804501, 1340835, 1877169, 3128615, 4022505, 5631507, 9385845, 28157535]

約数ペア:

[(1, 28157535), (3, 9385845), (5, 5631507), (7, 4022505), (9, 3128615), (15, 1877169), (21, 1340835), (35, 804501), (45, 625723), (63, 446945), (71, 396585), (105, 268167), (213, 132195), (315, 89389), (355, 79317), (497, 56655), (639, 44065), (1065, 26439), (1259, 22365), (1491, 18885), (2485, 11331), (3195, 8813), (3777, 7455), (4473, 6295)]