128216709

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{44381}}^1$

素因数の和:44497

約数の個数: 16

約数和(自身を含む): 191730240

約数和(自身を除く): 63513531

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 44381, 133143, 399429, 1198287, 4748767, 14246301, 42738903, 128216709]

約数ペア:

[(1, 128216709), (3, 42738903), (9, 14246301), (27, 4748767), (107, 1198287), (321, 399429), (963, 133143), (2889, 44381)]