31771857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 48988800

約数和(自身を除く): 17216943

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 689, 741, 809, 1007, 2067, 2427, 3021, 10517, 13091, 15371, 31551, 39273, 42877, 46113, 128631, 199823, 557401, 599469, 814663, 1672203, 2443989, 10590619, 31771857]

約数ペア:

[(1, 31771857), (3, 10590619), (13, 2443989), (19, 1672203), (39, 814663), (53, 599469), (57, 557401), (159, 199823), (247, 128631), (689, 46113), (741, 42877), (809, 39273), (1007, 31551), (2067, 15371), (2427, 13091), (3021, 10517)]