238874853

素因数分解:

$3^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{3119}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 371329920

約数和(自身を除く): 132455067

約数列:

[1, 3, 7, 21, 49, 147, 521, 1563, 3119, 3647, 9357, 10941, 21833, 25529, 65499, 76587, 152831, 458493, 1624999, 4874997, 11374993, 34124979, 79624951, 238874853]

約数ペア:

[(1, 238874853), (3, 79624951), (7, 34124979), (21, 11374993), (49, 4874997), (147, 1624999), (521, 458493), (1563, 152831), (3119, 76587), (3647, 65499), (9357, 25529), (10941, 21833)]