28392723

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 41932800

約数和(自身を除く): 13540077

約数列:

[1, 3, 9, 83, 191, 199, 249, 573, 597, 747, 1719, 1791, 15853, 16517, 38009, 47559, 49551, 114027, 142677, 148653, 342081, 3154747, 9464241, 28392723]

約数ペア:

[(1, 28392723), (3, 9464241), (9, 3154747), (83, 342081), (191, 148653), (199, 142677), (249, 114027), (573, 49551), (597, 47559), (747, 38009), (1719, 16517), (1791, 15853)]