261569361

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{86929}}^1$

素因数の和:87008

約数の個数: 16

約数和(自身を含む): 375537600

約数和(自身を除く): 113968239

約数列:

[1, 3, 17, 51, 59, 177, 1003, 3009, 86929, 260787, 1477793, 4433379, 5128811, 15386433, 87189787, 261569361]

約数ペア:

[(1, 261569361), (3, 87189787), (17, 15386433), (51, 5128811), (59, 4433379), (177, 1477793), (1003, 260787), (3009, 86929)]