749736729

素因数分解:

$3^4\times 7^1\times {\mathrm{1322287}}^1$

素因数の和:1322306

約数の個数: 20

約数和(自身を含む): 1279974784

約数和(自身を除く): 530238055

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1322287, 3966861, 9256009, 11900583, 27768027, 35701749, 83304081, 107105247, 249912243, 749736729]

約数ペア:

[(1, 749736729), (3, 249912243), (7, 107105247), (9, 83304081), (21, 35701749), (27, 27768027), (63, 11900583), (81, 9256009), (189, 3966861), (567, 1322287)]