28071303

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 15393657

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 881, 1677, 2451, 2643, 10621, 11453, 16739, 31863, 34359, 37883, 50217, 113649, 217607, 492479, 652821, 719777, 1477437, 2159331, 9357101, 28071303]

約数ペア:

[(1, 28071303), (3, 9357101), (13, 2159331), (19, 1477437), (39, 719777), (43, 652821), (57, 492479), (129, 217607), (247, 113649), (559, 50217), (741, 37883), (817, 34359), (881, 31863), (1677, 16739), (2451, 11453), (2643, 10621)]