131475421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89867}}^1$

素因数の和:89904

約数の個数: 16

約数和(自身を含む): 172546560

約数和(自身を除く): 41071139

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 89867, 629069, 988537, 1707473, 6919759, 11952311, 18782203, 131475421]

約数ペア:

[(1, 131475421), (7, 18782203), (11, 11952311), (19, 6919759), (77, 1707473), (133, 988537), (209, 629069), (1463, 89867)]