1557101

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:332

約数の個数: 16

約数和(自身を含む): 1951488

約数和(自身を除く): 394387

約数列:

[1, 7, 13, 71, 91, 241, 497, 923, 1687, 3133, 6461, 17111, 21931, 119777, 222443, 1557101]

約数ペア:

[(1, 1557101), (7, 222443), (13, 119777), (71, 21931), (91, 17111), (241, 6461), (497, 3133), (923, 1687)]