193027821

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{797}}^1$

素因数の和:1433

約数の個数: 32

約数和(自身を含む): 310517760

約数和(自身を除く): 117489939

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 607, 797, 1821, 2391, 4249, 5579, 11533, 12747, 15143, 16737, 34599, 45429, 80731, 106001, 242193, 318003, 483779, 1451337, 3386453, 9191801, 10159359, 27575403, 64342607, 193027821]

約数ペア:

[(1, 193027821), (3, 64342607), (7, 27575403), (19, 10159359), (21, 9191801), (57, 3386453), (133, 1451337), (399, 483779), (607, 318003), (797, 242193), (1821, 106001), (2391, 80731), (4249, 45429), (5579, 34599), (11533, 16737), (12747, 15143)]