19629027

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 14585373

約数列:

[1, 3, 9, 11, 27, 29, 33, 43, 53, 87, 99, 129, 159, 261, 297, 319, 387, 473, 477, 583, 783, 957, 1161, 1247, 1419, 1431, 1537, 1749, 2279, 2871, 3741, 4257, 4611, 5247, 6837, 8613, 11223, 12771, 13717, 13833, 15741, 16907, 20511, 25069, 33669, 41151, 41499, 50721, 61533, 66091, 75207, 123453, 152163, 198273, 225621, 370359, 456489, 594819, 676863, 727001, 1784457, 2181003, 6543009, 19629027]

約数ペア:

[(1, 19629027), (3, 6543009), (9, 2181003), (11, 1784457), (27, 727001), (29, 676863), (33, 594819), (43, 456489), (53, 370359), (87, 225621), (99, 198273), (129, 152163), (159, 123453), (261, 75207), (297, 66091), (319, 61533), (387, 50721), (473, 41499), (477, 41151), (583, 33669), (783, 25069), (957, 20511), (1161, 16907), (1247, 15741), (1419, 13833), (1431, 13717), (1537, 12771), (1749, 11223), (2279, 8613), (2871, 6837), (3741, 5247), (4257, 4611)]