2806191

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:152

約数の個数: 24

約数和(自身を含む): 4351760

約数和(自身を除く): 1545569

約数列:

[1, 3, 9, 27, 37, 53, 111, 159, 333, 477, 999, 1431, 1961, 2809, 5883, 8427, 17649, 25281, 52947, 75843, 103933, 311799, 935397, 2806191]

約数ペア:

[(1, 2806191), (3, 935397), (9, 311799), (27, 103933), (37, 75843), (53, 52947), (111, 25281), (159, 17649), (333, 8427), (477, 5883), (999, 2809), (1431, 1961)]