1679125221

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{291971}}^1$

素因数の和:292054

約数の個数: 20

約数和(自身を含む): 2543660064

約数和(自身を除く): 864534843

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 291971, 875913, 2627739, 7883217, 20729941, 23649651, 62189823, 186569469, 559708407, 1679125221]

約数ペア:

[(1, 1679125221), (3, 559708407), (9, 186569469), (27, 62189823), (71, 23649651), (81, 20729941), (213, 7883217), (639, 2627739), (1917, 875913), (5751, 291971)]