15820521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{641}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 22290240

約数和(自身を除く): 6469719

約数列:

[1, 3, 19, 57, 433, 641, 1299, 1923, 8227, 12179, 24681, 36537, 277553, 832659, 5273507, 15820521]

約数ペア:

[(1, 15820521), (3, 5273507), (19, 832659), (57, 277553), (433, 36537), (641, 24681), (1299, 12179), (1923, 8227)]