217577907

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{116789}}^1$

素因数の和:116824

約数の個数: 20

約数和(自身を含む): 339158160

約数和(自身を除く): 121580253

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 116789, 350367, 1051101, 2686147, 3153303, 8058441, 9459909, 24175323, 72525969, 217577907]

約数ペア:

[(1, 217577907), (3, 72525969), (9, 24175323), (23, 9459909), (27, 8058441), (69, 3153303), (81, 2686147), (207, 1051101), (621, 350367), (1863, 116789)]