42471387

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 71877000

約数和(自身を除く): 29405613

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 441, 499, 579, 1351, 1497, 1737, 3493, 4053, 4491, 9457, 10479, 12159, 24451, 28371, 31437, 73353, 85113, 96307, 220059, 288921, 674149, 866763, 2022447, 4719043, 6067341, 14157129, 42471387]

約数ペア:

[(1, 42471387), (3, 14157129), (7, 6067341), (9, 4719043), (21, 2022447), (49, 866763), (63, 674149), (147, 288921), (193, 220059), (441, 96307), (499, 85113), (579, 73353), (1351, 31437), (1497, 28371), (1737, 24451), (3493, 12159), (4053, 10479), (4491, 9457)]