201789861

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38903}}^1$

素因数の和:38945

約数の個数: 32

約数和(自身を含む): 348579840

約数和(自身を除く): 146789979

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 38903, 116709, 272321, 505739, 739157, 816963, 1517217, 2217471, 3540173, 5174099, 9609041, 10620519, 15522297, 28827123, 67263287, 201789861]

約数ペア:

[(1, 201789861), (3, 67263287), (7, 28827123), (13, 15522297), (19, 10620519), (21, 9609041), (39, 5174099), (57, 3540173), (91, 2217471), (133, 1517217), (247, 816963), (273, 739157), (399, 505739), (741, 272321), (1729, 116709), (5187, 38903)]