489013317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{219979}}^1$

素因数の和:220017

約数の個数: 24

約数和(自身を含む): 800727200

約数和(自身を除く): 311713883

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 219979, 659937, 1979811, 2859727, 4179601, 8579181, 12538803, 25737543, 37616409, 54334813, 163004439, 489013317]

約数ペア:

[(1, 489013317), (3, 163004439), (9, 54334813), (13, 37616409), (19, 25737543), (39, 12538803), (57, 8579181), (117, 4179601), (171, 2859727), (247, 1979811), (741, 659937), (2223, 219979)]