56390157

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7669}}^1$

素因数の和:7737

約数の個数: 24

約数和(自身を含む): 87744800

約数和(自身を除く): 31354643

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 7669, 23007, 69021, 145711, 329767, 437133, 989301, 1311399, 2967903, 6265573, 18796719, 56390157]

約数ペア:

[(1, 56390157), (3, 18796719), (9, 6265573), (19, 2967903), (43, 1311399), (57, 989301), (129, 437133), (171, 329767), (387, 145711), (817, 69021), (2451, 23007), (7353, 7669)]