128693721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1\times {\mathrm{2621}}^1$

素因数の和:3896

約数の個数: 16

約数和(自身を含む): 185008320

約数和(自身を除く): 56314599

約数列:

[1, 3, 13, 39, 1259, 2621, 3777, 7863, 16367, 34073, 49101, 102219, 3299839, 9899517, 42897907, 128693721]

約数ペア:

[(1, 128693721), (3, 42897907), (13, 9899517), (39, 3299839), (1259, 102219), (2621, 49101), (3777, 34073), (7863, 16367)]