81774777

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 137598912

約数和(自身を除く): 55824135

約数列:

[1, 3, 7, 17, 21, 43, 49, 51, 119, 129, 147, 301, 357, 731, 761, 833, 903, 2107, 2193, 2283, 2499, 5117, 5327, 6321, 12937, 15351, 15981, 32723, 35819, 37289, 38811, 90559, 98169, 107457, 111867, 229061, 271677, 556291, 633913, 687183, 1603427, 1668873, 1901739, 3894037, 4810281, 11682111, 27258259, 81774777]

約数ペア:

[(1, 81774777), (3, 27258259), (7, 11682111), (17, 4810281), (21, 3894037), (43, 1901739), (49, 1668873), (51, 1603427), (119, 687183), (129, 633913), (147, 556291), (301, 271677), (357, 229061), (731, 111867), (761, 107457), (833, 98169), (903, 90559), (2107, 38811), (2193, 37289), (2283, 35819), (2499, 32723), (5117, 15981), (5327, 15351), (6321, 12937)]