278318169

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{2243}}^1$

素因数の和:3077

約数の個数: 24

約数和(自身を含む): 426377952

約数和(自身を除く): 148059783

約数列:

[1, 3, 9, 17, 51, 153, 811, 2243, 2433, 6729, 7299, 13787, 20187, 38131, 41361, 114393, 124083, 343179, 1819073, 5457219, 16371657, 30924241, 92772723, 278318169]

約数ペア:

[(1, 278318169), (3, 92772723), (9, 30924241), (17, 16371657), (51, 5457219), (153, 1819073), (811, 343179), (2243, 124083), (2433, 114393), (6729, 41361), (7299, 38131), (13787, 20187)]