290438211

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{1777}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 455623168

約数和(自身を除く): 165184957

約数列:

[1, 3, 7, 21, 43, 129, 181, 301, 543, 903, 1267, 1777, 3801, 5331, 7783, 12439, 23349, 37317, 54481, 76411, 163443, 229233, 321637, 534877, 964911, 1604631, 2251459, 6754377, 13830391, 41491173, 96812737, 290438211]

約数ペア:

[(1, 290438211), (3, 96812737), (7, 41491173), (21, 13830391), (43, 6754377), (129, 2251459), (181, 1604631), (301, 964911), (543, 534877), (903, 321637), (1267, 229233), (1777, 163443), (3801, 76411), (5331, 54481), (7783, 37317), (12439, 23349)]