261828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1039}}^1$

素因数の和:1056

約数の個数: 36

約数和(自身を含む): 757120

約数和(自身を除く): 495292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1039, 2078, 3117, 4156, 6234, 7273, 9351, 12468, 14546, 18702, 21819, 29092, 37404, 43638, 65457, 87276, 130914, 261828]

約数ペア:

[(1, 261828), (2, 130914), (3, 87276), (4, 65457), (6, 43638), (7, 37404), (9, 29092), (12, 21819), (14, 18702), (18, 14546), (21, 12468), (28, 9351), (36, 7273), (42, 6234), (63, 4156), (84, 3117), (126, 2078), (252, 1039)]