81807549

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{1607}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 111144960

約数和(自身を除く): 29337411

約数列:

[1, 3, 71, 213, 239, 717, 1607, 4821, 16969, 50907, 114097, 342291, 384073, 1152219, 27269183, 81807549]

約数ペア:

[(1, 81807549), (3, 27269183), (71, 1152219), (213, 384073), (239, 342291), (717, 114097), (1607, 50907), (4821, 16969)]