208023993

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{4001}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 309034440

約数和(自身を除く): 101010447

約数列:

[1, 3, 9, 53, 109, 159, 327, 477, 981, 4001, 5777, 12003, 17331, 36009, 51993, 212053, 436109, 636159, 1308327, 1908477, 3924981, 23113777, 69341331, 208023993]

約数ペア:

[(1, 208023993), (3, 69341331), (9, 23113777), (53, 3924981), (109, 1908477), (159, 1308327), (327, 636159), (477, 436109), (981, 212053), (4001, 51993), (5777, 36009), (12003, 17331)]