31007943

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 47502000

約数和(自身を除く): 16494057

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 1217, 1341, 2831, 3651, 8493, 10953, 23123, 25479, 69369, 181333, 208107, 543999, 1631997, 3445327, 10335981, 31007943]

約数ペア:

[(1, 31007943), (3, 10335981), (9, 3445327), (19, 1631997), (57, 543999), (149, 208107), (171, 181333), (447, 69369), (1217, 25479), (1341, 23123), (2831, 10953), (3651, 8493)]