28145565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 28014435

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 199, 315, 449, 597, 995, 1347, 1393, 1791, 2245, 2985, 3143, 4041, 4179, 6735, 6965, 8955, 9429, 12537, 15715, 20205, 20895, 28287, 47145, 62685, 89351, 141435, 268053, 446755, 625457, 804159, 1340265, 1876371, 3127285, 4020795, 5629113, 9381855, 28145565]

約数ペア:

[(1, 28145565), (3, 9381855), (5, 5629113), (7, 4020795), (9, 3127285), (15, 1876371), (21, 1340265), (35, 804159), (45, 625457), (63, 446755), (105, 268053), (199, 141435), (315, 89351), (449, 62685), (597, 47145), (995, 28287), (1347, 20895), (1393, 20205), (1791, 15715), (2245, 12537), (2985, 9429), (3143, 8955), (4041, 6965), (4179, 6735)]