81794529

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 56

約数和(自身を含む): 131028840

約数和(自身を除く): 49234311

約数列:

[1, 3, 9, 27, 29, 53, 73, 81, 87, 159, 219, 243, 261, 477, 657, 729, 783, 1431, 1537, 1971, 2117, 2349, 3869, 4293, 4611, 5913, 6351, 7047, 11607, 12879, 13833, 17739, 19053, 21141, 34821, 38637, 41499, 53217, 57159, 104463, 112201, 124497, 171477, 313389, 336603, 373491, 514431, 940167, 1009809, 1120473, 1543293, 2820501, 3029427, 9088281, 27264843, 81794529]

約数ペア:

[(1, 81794529), (3, 27264843), (9, 9088281), (27, 3029427), (29, 2820501), (53, 1543293), (73, 1120473), (81, 1009809), (87, 940167), (159, 514431), (219, 373491), (243, 336603), (261, 313389), (477, 171477), (657, 124497), (729, 112201), (783, 104463), (1431, 57159), (1537, 53217), (1971, 41499), (2117, 38637), (2349, 34821), (3869, 21141), (4293, 19053), (4611, 17739), (5913, 13833), (6351, 12879), (7047, 11607)]