1668627

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{2687}}^1$

素因数の和:2719

約数の個数: 16

約数和(自身を含む): 2580480

約数和(自身を除く): 911853

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 2687, 8061, 24183, 61801, 72549, 185403, 556209, 1668627]

約数ペア:

[(1, 1668627), (3, 556209), (9, 185403), (23, 72549), (27, 61801), (69, 24183), (207, 8061), (621, 2687)]