311999817

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 449971200

約数和(自身を除く): 137971383

約数列:

[1, 3, 19, 53, 57, 139, 159, 417, 743, 1007, 2229, 2641, 3021, 7367, 7923, 14117, 22101, 39379, 42351, 103277, 118137, 139973, 309831, 419919, 748201, 1962263, 2244603, 5473681, 5886789, 16421043, 103999939, 311999817]

約数ペア:

[(1, 311999817), (3, 103999939), (19, 16421043), (53, 5886789), (57, 5473681), (139, 2244603), (159, 1962263), (417, 748201), (743, 419919), (1007, 309831), (2229, 139973), (2641, 118137), (3021, 103277), (7367, 42351), (7923, 39379), (14117, 22101)]