26931111

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 12985689

約数列:

[1, 3, 17, 29, 51, 87, 131, 139, 393, 417, 493, 1479, 2227, 2363, 3799, 4031, 6681, 7089, 11397, 12093, 18209, 54627, 64583, 68527, 193749, 205581, 309553, 528061, 928659, 1584183, 8977037, 26931111]

約数ペア:

[(1, 26931111), (3, 8977037), (17, 1584183), (29, 928659), (51, 528061), (87, 309553), (131, 205581), (139, 193749), (393, 68527), (417, 64583), (493, 54627), (1479, 18209), (2227, 12093), (2363, 11397), (3799, 7089), (4031, 6681)]