56742261

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 77221248

約数和(自身を除く): 20478987

約数列:

[1, 3, 61, 183, 311, 933, 997, 2991, 18971, 56913, 60817, 182451, 310067, 930201, 18914087, 56742261]

約数ペア:

[(1, 56742261), (3, 18914087), (61, 930201), (183, 310067), (311, 182451), (933, 60817), (997, 56913), (2991, 18971)]