15679421019

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{440941}}^1$

素因数の和:441392

約数の個数: 20

約数和(自身を含む): 23475752080

約数和(自身を除く): 7796331061

約数列:

[1, 3, 9, 27, 81, 439, 1317, 3951, 11853, 35559, 440941, 1322823, 3968469, 11905407, 35716221, 193573099, 580719297, 1742157891, 5226473673, 15679421019]

約数ペア:

[(1, 15679421019), (3, 5226473673), (9, 1742157891), (27, 580719297), (81, 193573099), (439, 35716221), (1317, 11905407), (3951, 3968469), (11853, 1322823), (35559, 440941)]