163947903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2129}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 264460800

約数和(自身を除く): 100512897

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 399, 579, 1351, 2129, 3667, 4053, 6387, 11001, 14903, 25669, 40451, 44709, 77007, 121353, 283157, 410897, 849471, 1232691, 2876279, 7807043, 8628837, 23421129, 54649301, 163947903]

約数ペア:

[(1, 163947903), (3, 54649301), (7, 23421129), (19, 8628837), (21, 7807043), (57, 2876279), (133, 1232691), (193, 849471), (399, 410897), (579, 283157), (1351, 121353), (2129, 77007), (3667, 44709), (4053, 40451), (6387, 25669), (11001, 14903)]