261639147

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{102967}}^1$

素因数の和:102999

約数の個数: 24

約数和(自身を含む): 438231808

約数和(自身を除く): 176592661

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 102967, 308901, 720769, 1132637, 2162307, 3397911, 7928459, 12459007, 23785377, 37377021, 87213049, 261639147]

約数ペア:

[(1, 261639147), (3, 87213049), (7, 37377021), (11, 23785377), (21, 12459007), (33, 7928459), (77, 3397911), (121, 2162307), (231, 1132637), (363, 720769), (847, 308901), (2541, 102967)]