202158891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1889}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 339655680

約数和(自身を除く): 137496789

約数列:

[1, 3, 9, 11, 23, 33, 47, 69, 99, 141, 207, 253, 423, 517, 759, 1081, 1551, 1889, 2277, 3243, 4653, 5667, 9729, 11891, 17001, 20779, 35673, 43447, 62337, 88783, 107019, 130341, 187011, 266349, 391023, 477917, 799047, 976613, 1433751, 2042009, 2929839, 4301253, 6126027, 8789517, 18378081, 22462099, 67386297, 202158891]

約数ペア:

[(1, 202158891), (3, 67386297), (9, 22462099), (11, 18378081), (23, 8789517), (33, 6126027), (47, 4301253), (69, 2929839), (99, 2042009), (141, 1433751), (207, 976613), (253, 799047), (423, 477917), (517, 391023), (759, 266349), (1081, 187011), (1551, 130341), (1889, 107019), (2277, 88783), (3243, 62337), (4653, 43447), (5667, 35673), (9729, 20779), (11891, 17001)]