28072485

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89119}}^1$

素因数の和:89137

約数の個数: 24

約数和(自身を含む): 55610880

約数和(自身を除く): 27538395

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89119, 267357, 445595, 623833, 802071, 1336785, 1871499, 3119165, 4010355, 5614497, 9357495, 28072485]

約数ペア:

[(1, 28072485), (3, 9357495), (5, 5614497), (7, 4010355), (9, 3119165), (15, 1871499), (21, 1336785), (35, 802071), (45, 623833), (63, 445595), (105, 267357), (315, 89119)]