661331127

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{313}}^1\times {\mathrm{2437}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 940073296

約数和(自身を除く): 278742169

約数列:

[1, 3, 17, 51, 289, 313, 867, 939, 2437, 5321, 7311, 15963, 41429, 90457, 124287, 271371, 704293, 762781, 2112879, 2288343, 12967277, 38901831, 220443709, 661331127]

約数ペア:

[(1, 661331127), (3, 220443709), (17, 38901831), (51, 12967277), (289, 2288343), (313, 2112879), (867, 762781), (939, 704293), (2437, 271371), (5321, 124287), (7311, 90457), (15963, 41429)]