28591947

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{8209}}^1$

素因数の和:8264

約数の個数: 20

約数和(自身を含む): 43710040

約数和(自身を除く): 15118093

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 8209, 24627, 73881, 221643, 352987, 664929, 1058961, 3176883, 9530649, 28591947]

約数ペア:

[(1, 28591947), (3, 9530649), (9, 3176883), (27, 1058961), (43, 664929), (81, 352987), (129, 221643), (387, 73881), (1161, 24627), (3483, 8209)]