31130151

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 48195840

約数和(自身を除く): 17065689

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 977, 1677, 2451, 2931, 10621, 12701, 18563, 31863, 38103, 42011, 55689, 126033, 241319, 546143, 723957, 798209, 1638429, 2394627, 10376717, 31130151]

約数ペア:

[(1, 31130151), (3, 10376717), (13, 2394627), (19, 1638429), (39, 798209), (43, 723957), (57, 546143), (129, 241319), (247, 126033), (559, 55689), (741, 42011), (817, 38103), (977, 31863), (1677, 18563), (2451, 12701), (2931, 10621)]