28250613

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{8111}}^1$

素因数の和:8166

約数の個数: 20

約数和(自身を含む): 43188288

約数和(自身を除く): 14937675

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 8111, 24333, 72999, 218997, 348773, 656991, 1046319, 3138957, 9416871, 28250613]

約数ペア:

[(1, 28250613), (3, 9416871), (9, 3138957), (27, 1046319), (43, 656991), (81, 348773), (129, 218997), (387, 72999), (1161, 24333), (3483, 8111)]