42252287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{571}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 54527616

約数和(自身を除く): 12275329

約数列:

[1, 7, 11, 31, 77, 217, 341, 571, 961, 2387, 3997, 6281, 6727, 10571, 17701, 43967, 73997, 123907, 194711, 548731, 1362977, 3841117, 6036041, 42252287]

約数ペア:

[(1, 42252287), (7, 6036041), (11, 3841117), (31, 1362977), (77, 548731), (217, 194711), (341, 123907), (571, 73997), (961, 43967), (2387, 17701), (3997, 10571), (6281, 6727)]