2780457093

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439459}}^1$

素因数の和:439521

約数の個数: 24

約数和(自身を含む): 4341864800

約数和(自身を除く): 1561407707

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 6327, 439459, 1318377, 3955131, 8349721, 16259983, 25049163, 48779949, 75147489, 146339847, 308939677, 926819031, 2780457093]

約数ペア:

[(1, 2780457093), (3, 926819031), (9, 308939677), (19, 146339847), (37, 75147489), (57, 48779949), (111, 25049163), (171, 16259983), (333, 8349721), (703, 3955131), (2109, 1318377), (6327, 439459)]