80112321

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{5717}}^1$

素因数の和:5902

約数の個数: 20

約数和(自身を含む): 120386772

約数和(自身を除く): 40274451

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 5717, 14013, 17151, 51453, 154359, 463077, 989041, 2967123, 8901369, 26704107, 80112321]

約数ペア:

[(1, 80112321), (3, 26704107), (9, 8901369), (27, 2967123), (81, 989041), (173, 463077), (519, 154359), (1557, 51453), (4671, 17151), (5717, 14013)]