206319555

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 402494400

約数和(自身を除く): 196174845

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 149, 195, 263, 351, 405, 447, 585, 745, 789, 1053, 1315, 1341, 1755, 1937, 2235, 2367, 3419, 3945, 4023, 5265, 5811, 6705, 7101, 9685, 10257, 11835, 12069, 17095, 17433, 20115, 21303, 29055, 30771, 35505, 39187, 51285, 52299, 60345, 87165, 92313, 106515, 117561, 153855, 156897, 195935, 261495, 276939, 352683, 461565, 509431, 587805, 784485, 1058049, 1384695, 1528293, 1763415, 2547155, 3174147, 4584879, 5290245, 7641465, 13754637, 15870735, 22924395, 41263911, 68773185, 206319555]

約数ペア:

[(1, 206319555), (3, 68773185), (5, 41263911), (9, 22924395), (13, 15870735), (15, 13754637), (27, 7641465), (39, 5290245), (45, 4584879), (65, 3174147), (81, 2547155), (117, 1763415), (135, 1528293), (149, 1384695), (195, 1058049), (263, 784485), (351, 587805), (405, 509431), (447, 461565), (585, 352683), (745, 276939), (789, 261495), (1053, 195935), (1315, 156897), (1341, 153855), (1755, 117561), (1937, 106515), (2235, 92313), (2367, 87165), (3419, 60345), (3945, 52299), (4023, 51285), (5265, 39187), (5811, 35505), (6705, 30771), (7101, 29055), (9685, 21303), (10257, 20115), (11835, 17433), (12069, 17095)]