128538567

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{8101}}^1$

素因数の和:8191

約数の個数: 24

約数和(自身を含む): 194642448

約数和(自身を除く): 66103881

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1763, 5289, 8101, 15867, 24303, 72909, 332141, 348343, 996423, 1045029, 2989269, 3135087, 14282063, 42846189, 128538567]

約数ペア:

[(1, 128538567), (3, 42846189), (9, 14282063), (41, 3135087), (43, 2989269), (123, 1045029), (129, 996423), (369, 348343), (387, 332141), (1763, 72909), (5289, 24303), (8101, 15867)]