25316865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 50544000

約数和(自身を除く): 25227135

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 179, 315, 449, 537, 895, 1253, 1347, 1611, 2245, 2685, 3143, 3759, 4041, 6265, 6735, 8055, 9429, 11277, 15715, 18795, 20205, 28287, 47145, 56385, 80371, 141435, 241113, 401855, 562597, 723339, 1205565, 1687791, 2812985, 3616695, 5063373, 8438955, 25316865]

約数ペア:

[(1, 25316865), (3, 8438955), (5, 5063373), (7, 3616695), (9, 2812985), (15, 1687791), (21, 1205565), (35, 723339), (45, 562597), (63, 401855), (105, 241113), (179, 141435), (315, 80371), (449, 56385), (537, 47145), (895, 28287), (1253, 20205), (1347, 18795), (1611, 15715), (2245, 11277), (2685, 9429), (3143, 8055), (3759, 6735), (4041, 6265)]