81361269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1667}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 140512320

約数和(自身を除く): 59151051

約数列:

[1, 3, 9, 11, 17, 29, 33, 51, 87, 99, 153, 187, 261, 319, 493, 561, 957, 1479, 1667, 1683, 2871, 4437, 5001, 5423, 15003, 16269, 18337, 28339, 48343, 48807, 55011, 85017, 145029, 165033, 255051, 311729, 435087, 531773, 821831, 935187, 1595319, 2465493, 2805561, 4785957, 7396479, 9040141, 27120423, 81361269]

約数ペア:

[(1, 81361269), (3, 27120423), (9, 9040141), (11, 7396479), (17, 4785957), (29, 2805561), (33, 2465493), (51, 1595319), (87, 935187), (99, 821831), (153, 531773), (187, 435087), (261, 311729), (319, 255051), (493, 165033), (561, 145029), (957, 85017), (1479, 55011), (1667, 48807), (1683, 48343), (2871, 28339), (4437, 18337), (5001, 16269), (5423, 15003)]