28593729

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1583}}^1$

素因数の和:1818

約数の個数: 20

約数和(自身を含む): 42932736

約数和(自身を除く): 14339007

約数列:

[1, 3, 9, 27, 81, 223, 669, 1583, 2007, 4749, 6021, 14247, 18063, 42741, 128223, 353009, 1059027, 3177081, 9531243, 28593729]

約数ペア:

[(1, 28593729), (3, 9531243), (9, 3177081), (27, 1059027), (81, 353009), (223, 128223), (669, 42741), (1583, 18063), (2007, 14247), (4749, 6021)]