203944461

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 350853120

約数和(自身を除く): 146908659

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 107, 119, 133, 281, 321, 323, 357, 399, 749, 843, 969, 1819, 1967, 2033, 2247, 2261, 4777, 5339, 5457, 5901, 6099, 6783, 12733, 14231, 14331, 16017, 30067, 33439, 34561, 37373, 38199, 42693, 90201, 90763, 100317, 103683, 112119, 210469, 241927, 272289, 511139, 571273, 631407, 635341, 725781, 1533417, 1713819, 1906023, 3577973, 3998911, 9711641, 10733919, 11996733, 29134923, 67981487, 203944461]

約数ペア:

[(1, 203944461), (3, 67981487), (7, 29134923), (17, 11996733), (19, 10733919), (21, 9711641), (51, 3998911), (57, 3577973), (107, 1906023), (119, 1713819), (133, 1533417), (281, 725781), (321, 635341), (323, 631407), (357, 571273), (399, 511139), (749, 272289), (843, 241927), (969, 210469), (1819, 112119), (1967, 103683), (2033, 100317), (2247, 90763), (2261, 90201), (4777, 42693), (5339, 38199), (5457, 37373), (5901, 34561), (6099, 33439), (6783, 30067), (12733, 16017), (14231, 14331)]