42720293

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{1103}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 53415936

約数和(自身を除く): 10695643

約数列:

[1, 7, 11, 77, 503, 1103, 3521, 5533, 7721, 12133, 38731, 84931, 554809, 3883663, 6102899, 42720293]

約数ペア:

[(1, 42720293), (7, 6102899), (11, 3883663), (77, 554809), (503, 84931), (1103, 38731), (3521, 12133), (5533, 7721)]