2620539

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1447

約数の個数: 16

約数和(自身を含む): 3939840

約数和(自身を除く): 1319301

約数列:

[1, 3, 9, 27, 71, 213, 639, 1367, 1917, 4101, 12303, 36909, 97057, 291171, 873513, 2620539]

約数ペア:

[(1, 2620539), (3, 873513), (9, 291171), (27, 97057), (71, 36909), (213, 12303), (639, 4101), (1367, 1917)]