720851043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{71153}}^1$

素因数の和:71474

約数の個数: 16

約数和(自身を含む): 1051940736

約数和(自身を除く): 331089693

約数列:

[1, 3, 11, 33, 307, 921, 3377, 10131, 71153, 213459, 782683, 2348049, 21843971, 65531913, 240283681, 720851043]

約数ペア:

[(1, 720851043), (3, 240283681), (11, 65531913), (33, 21843971), (307, 2348049), (921, 782683), (3377, 213459), (10131, 71153)]