28668573

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{8231}}^1$

素因数の和:8286

約数の個数: 20

約数和(自身を含む): 43827168

約数和(自身を除く): 15158595

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 8231, 24693, 74079, 222237, 353933, 666711, 1061799, 3185397, 9556191, 28668573]

約数ペア:

[(1, 28668573), (3, 9556191), (9, 3185397), (27, 1061799), (43, 666711), (81, 353933), (129, 222237), (387, 74079), (1161, 24693), (3483, 8231)]