2787147

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 4492800

約数和(自身を除く): 1705653

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 599, 1551, 1797, 4653, 5391, 6589, 19767, 28153, 59301, 84459, 253377, 309683, 929049, 2787147]

約数ペア:

[(1, 2787147), (3, 929049), (9, 309683), (11, 253377), (33, 84459), (47, 59301), (99, 28153), (141, 19767), (423, 6589), (517, 5391), (599, 4653), (1551, 1797)]