123221281

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 132634368

約数和(自身を除く): 9413087

約数列:

[1, 23, 61, 71, 1237, 1403, 1633, 4331, 28451, 75457, 87827, 99613, 1735511, 2020021, 5357447, 123221281]

約数ペア:

[(1, 123221281), (23, 5357447), (61, 2020021), (71, 1735511), (1237, 99613), (1403, 87827), (1633, 75457), (4331, 28451)]