221252161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{7883}}^1$

素因数の和:8040

約数の個数: 16

約数和(自身を含む): 254306304

約数和(自身を除く): 33054143

約数列:

[1, 13, 17, 127, 221, 1651, 2159, 7883, 28067, 102479, 134011, 1001141, 1742143, 13014833, 17019397, 221252161]

約数ペア:

[(1, 221252161), (13, 17019397), (17, 13014833), (127, 1742143), (221, 1001141), (1651, 134011), (2159, 102479), (7883, 28067)]