256654287

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{25037}}^1$

素因数の和:25127

約数の個数: 24

約数和(自身を含む): 398404656

約数和(自身を除く): 141750369

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 603, 1139, 3417, 10251, 25037, 75111, 225333, 425629, 1276887, 1677479, 3830661, 5032437, 15097311, 28517143, 85551429, 256654287]

約数ペア:

[(1, 256654287), (3, 85551429), (9, 28517143), (17, 15097311), (51, 5032437), (67, 3830661), (153, 1677479), (201, 1276887), (603, 425629), (1139, 225333), (3417, 75111), (10251, 25037)]