28465275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9257}}^1$

素因数の和:9311

約数の個数: 24

約数和(自身を含む): 48215664

約数和(自身を除く): 19750389

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 9257, 27771, 46285, 138855, 231425, 379537, 694275, 1138611, 1897685, 5693055, 9488425, 28465275]

約数ペア:

[(1, 28465275), (3, 9488425), (5, 5693055), (15, 1897685), (25, 1138611), (41, 694275), (75, 379537), (123, 231425), (205, 138855), (615, 46285), (1025, 27771), (3075, 9257)]