2189761

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 2790720

約数和(自身を除く): 600959

約数列:

[1, 7, 23, 29, 49, 67, 161, 203, 469, 667, 1127, 1421, 1541, 1943, 3283, 4669, 10787, 13601, 32683, 44689, 75509, 95207, 312823, 2189761]

約数ペア:

[(1, 2189761), (7, 312823), (23, 95207), (29, 75509), (49, 44689), (67, 32683), (161, 13601), (203, 10787), (469, 4669), (667, 3283), (1127, 1943), (1421, 1541)]