28751715

素因数分解:

$3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1423}}^1$

素因数の和:1883

約数の個数: 24

約数和(自身を含む): 49982400

約数和(自身を除く): 21230685

約数列:

[1, 3, 5, 9, 15, 45, 449, 1347, 1423, 2245, 4041, 4269, 6735, 7115, 12807, 20205, 21345, 64035, 638927, 1916781, 3194635, 5750343, 9583905, 28751715]

約数ペア:

[(1, 28751715), (3, 9583905), (5, 5750343), (9, 3194635), (15, 1916781), (45, 638927), (449, 64035), (1347, 21345), (1423, 20205), (2245, 12807), (4041, 7115), (4269, 6735)]