207742311

素因数分解:

$3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{3389}}^1$

素因数の和:3548

約数の個数: 36

約数和(自身を含む): 351678600

約数和(自身を除く): 143936289

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 417, 441, 973, 1251, 2919, 3389, 6811, 8757, 10167, 20433, 23723, 30501, 61299, 71169, 166061, 213507, 471071, 498183, 1413213, 1494549, 3297497, 4239639, 9892491, 23082479, 29677473, 69247437, 207742311]

約数ペア:

[(1, 207742311), (3, 69247437), (7, 29677473), (9, 23082479), (21, 9892491), (49, 4239639), (63, 3297497), (139, 1494549), (147, 1413213), (417, 498183), (441, 471071), (973, 213507), (1251, 166061), (2919, 71169), (3389, 61299), (6811, 30501), (8757, 23723), (10167, 20433)]