9980859

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 15850560

約数和(自身を除く): 5869701

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 1579, 2107, 4737, 6321, 11053, 33159, 67897, 77371, 203691, 232113, 475279, 1425837, 3326953, 9980859]

約数ペア:

[(1, 9980859), (3, 3326953), (7, 1425837), (21, 475279), (43, 232113), (49, 203691), (129, 77371), (147, 67897), (301, 33159), (903, 11053), (1579, 6321), (2107, 4737)]