2638791

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{5749}}^1$

素因数の和:5775

約数の個数: 16

約数和(自身を含む): 4140000

約数和(自身を除く): 1501209

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 5749, 17247, 51741, 97733, 155223, 293199, 879597, 2638791]

約数ペア:

[(1, 2638791), (3, 879597), (9, 293199), (17, 155223), (27, 97733), (51, 51741), (153, 17247), (459, 5749)]