138533989

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^2$

素因数の和:357

約数の個数: 18

約数和(自身を含む): 155907122

約数和(自身を除く): 17373133

約数列:

[1, 11, 61, 121, 137, 671, 1507, 7381, 8357, 16577, 18769, 91927, 206459, 1011197, 1144909, 2271049, 12593999, 138533989]

約数ペア:

[(1, 138533989), (11, 12593999), (61, 2271049), (121, 1144909), (137, 1011197), (671, 206459), (1507, 91927), (7381, 18769), (8357, 16577)]