187840521

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{172489}}^1$

素因数の和:172517

約数の個数: 18

約数和(自身を含む): 298235210

約数和(自身を除く): 110394689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 172489, 517467, 1552401, 1897379, 5692137, 17076411, 20871169, 62613507, 187840521]

約数ペア:

[(1, 187840521), (3, 62613507), (9, 20871169), (11, 17076411), (33, 5692137), (99, 1897379), (121, 1552401), (363, 517467), (1089, 172489)]