7639839

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:636

約数の個数: 20

約数和(自身を含む): 11488224

約数和(自身を除く): 3848385

約数列:

[1, 3, 9, 27, 81, 257, 367, 771, 1101, 2313, 3303, 6939, 9909, 20817, 29727, 94319, 282957, 848871, 2546613, 7639839]

約数ペア:

[(1, 7639839), (3, 2546613), (9, 848871), (27, 282957), (81, 94319), (257, 29727), (367, 20817), (771, 9909), (1101, 6939), (2313, 3303)]