388289097

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{143333}}^1$

素因数の和:143389

約数の個数: 24

約数和(自身を含む): 655896384

約数和(自身を除く): 267607287

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 143333, 429999, 1003331, 1289997, 3009993, 6163319, 9029979, 18489957, 43143233, 55469871, 129429699, 388289097]

約数ペア:

[(1, 388289097), (3, 129429699), (7, 55469871), (9, 43143233), (21, 18489957), (43, 9029979), (63, 6163319), (129, 3009993), (301, 1289997), (387, 1003331), (903, 429999), (2709, 143333)]