2220081

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 3172608

約数和(自身を除く): 952527

約数列:

[1, 3, 17, 51, 101, 303, 431, 1293, 1717, 5151, 7327, 21981, 43531, 130593, 740027, 2220081]

約数ペア:

[(1, 2220081), (3, 740027), (17, 130593), (51, 43531), (101, 21981), (303, 7327), (431, 5151), (1293, 1717)]