17979117

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 8986899

約数列:

[1, 3, 13, 39, 43, 71, 129, 151, 213, 453, 559, 923, 1677, 1963, 2769, 3053, 5889, 6493, 9159, 10721, 19479, 32163, 39689, 84409, 119067, 139373, 253227, 418119, 461003, 1383009, 5993039, 17979117]

約数ペア:

[(1, 17979117), (3, 5993039), (13, 1383009), (39, 461003), (43, 418119), (71, 253227), (129, 139373), (151, 119067), (213, 84409), (453, 39689), (559, 32163), (923, 19479), (1677, 10721), (1963, 9159), (2769, 6493), (3053, 5889)]