81527787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 135064800

約数和(自身を除く): 53537013

約数列:

[1, 3, 9, 11, 29, 33, 73, 87, 99, 219, 261, 319, 389, 657, 803, 957, 1167, 2117, 2409, 2871, 3501, 4279, 6351, 7227, 11281, 12837, 19053, 23287, 28397, 33843, 38511, 69861, 85191, 101529, 124091, 209583, 255573, 312367, 372273, 823513, 937101, 1116819, 2470539, 2811303, 7411617, 9058643, 27175929, 81527787]

約数ペア:

[(1, 81527787), (3, 27175929), (9, 9058643), (11, 7411617), (29, 2811303), (33, 2470539), (73, 1116819), (87, 937101), (99, 823513), (219, 372273), (261, 312367), (319, 255573), (389, 209583), (657, 124091), (803, 101529), (957, 85191), (1167, 69861), (2117, 38511), (2409, 33843), (2871, 28397), (3501, 23287), (4279, 19053), (6351, 12837), (7227, 11281)]