42563799

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{3347}}^1$

素因数の和:3516

約数の個数: 20

約数和(自身を含む): 64007064

約数和(自身を除く): 21443265

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 3347, 4239, 10041, 12717, 30123, 90369, 271107, 525479, 1576437, 4729311, 14187933, 42563799]

約数ペア:

[(1, 42563799), (3, 14187933), (9, 4729311), (27, 1576437), (81, 525479), (157, 271107), (471, 90369), (1413, 30123), (3347, 12717), (4239, 10041)]