13563739

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 17606160

約数和(自身を除く): 4042421

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 857, 931, 2261, 5999, 14569, 15827, 16283, 41993, 101983, 113981, 276811, 713881, 797867, 1937677, 13563739]

約数ペア:

[(1, 13563739), (7, 1937677), (17, 797867), (19, 713881), (49, 276811), (119, 113981), (133, 101983), (323, 41993), (833, 16283), (857, 15827), (931, 14569), (2261, 5999)]