289370741

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{72871}}^1$

素因数の和:72920

約数の個数: 12

約数和(自身を含む): 333170784

約数和(自身を除く): 43800043

約数列:

[1, 11, 19, 209, 361, 3971, 72871, 801581, 1384549, 15230039, 26306431, 289370741]

約数ペア:

[(1, 289370741), (11, 26306431), (19, 15230039), (209, 1384549), (361, 801581), (3971, 72871)]