201617971857

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{20685131}}^1$

素因数の和:20685178

約数の個数: 24

約数和(自身を含む): 315241411680

約数和(自身を除く): 113623439823

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 3249, 9747, 20685131, 62055393, 186166179, 393017489, 558498537, 1179052467, 3537157401, 7467332291, 10611472203, 22401996873, 67205990619, 201617971857]

約数ペア:

[(1, 201617971857), (3, 67205990619), (9, 22401996873), (19, 10611472203), (27, 7467332291), (57, 3537157401), (171, 1179052467), (361, 558498537), (513, 393017489), (1083, 186166179), (3249, 62055393), (9747, 20685131)]