208335951

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{4007}}^1$

素因数の和:4175

約数の個数: 24

約数和(自身を含む): 309497760

約数和(自身を除く): 101161809

約数列:

[1, 3, 9, 53, 109, 159, 327, 477, 981, 4007, 5777, 12021, 17331, 36063, 51993, 212371, 436763, 637113, 1310289, 1911339, 3930867, 23148439, 69445317, 208335951]

約数ペア:

[(1, 208335951), (3, 69445317), (9, 23148439), (53, 3930867), (109, 1911339), (159, 1310289), (327, 637113), (477, 436763), (981, 212371), (4007, 51993), (5777, 36063), (12021, 17331)]