81546579

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{787}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 122313360

約数和(自身を除く): 40766781

約数列:

[1, 3, 9, 29, 87, 261, 397, 787, 1191, 2361, 3573, 7083, 11513, 22823, 34539, 68469, 103617, 205407, 312439, 937317, 2811951, 9060731, 27182193, 81546579]

約数ペア:

[(1, 81546579), (3, 27182193), (9, 9060731), (29, 2811951), (87, 937317), (261, 312439), (397, 205407), (787, 103617), (1191, 68469), (2361, 34539), (3573, 22823), (7083, 11513)]