28054275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8699}}^1$

素因数の和:8755

約数の個数: 24

約数和(自身を含む): 47467200

約数和(自身を除く): 19412925

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8699, 26097, 43495, 130485, 217475, 374057, 652425, 1122171, 1870285, 5610855, 9351425, 28054275]

約数ペア:

[(1, 28054275), (3, 9351425), (5, 5610855), (15, 1870285), (25, 1122171), (43, 652425), (75, 374057), (129, 217475), (215, 130485), (645, 43495), (1075, 26097), (3225, 8699)]