80973513

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{2087}}^1$

素因数の和:2578

約数の個数: 20

約数和(自身を含む): 121271040

約数和(自身を除く): 40297527

約数列:

[1, 3, 9, 27, 81, 479, 1437, 2087, 4311, 6261, 12933, 18783, 38799, 56349, 169047, 999673, 2999019, 8997057, 26991171, 80973513]

約数ペア:

[(1, 80973513), (3, 26991171), (9, 8997057), (27, 2999019), (81, 999673), (479, 169047), (1437, 56349), (2087, 38799), (4311, 18783), (6261, 12933)]