28227393

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 15681087

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 593, 1107, 1161, 1763, 1779, 5289, 5337, 15867, 16011, 24313, 25499, 47601, 72939, 76497, 218817, 229491, 656451, 688473, 1045459, 3136377, 9409131, 28227393]

約数ペア:

[(1, 28227393), (3, 9409131), (9, 3136377), (27, 1045459), (41, 688473), (43, 656451), (123, 229491), (129, 218817), (369, 76497), (387, 72939), (593, 47601), (1107, 25499), (1161, 24313), (1763, 16011), (1779, 15867), (5289, 5337)]