42555321

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{10039}}^1$

素因数の和:10205

約数の個数: 16

約数和(自身を含む): 63452800

約数和(自身を除く): 20897479

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 10039, 30117, 90351, 271053, 1576123, 4728369, 14185107, 42555321]

約数ペア:

[(1, 42555321), (3, 14185107), (9, 4728369), (27, 1576123), (157, 271053), (471, 90351), (1413, 30117), (4239, 10039)]