26309205

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 27356715

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 247, 263, 285, 351, 405, 513, 585, 741, 789, 855, 1053, 1235, 1315, 1539, 1755, 2223, 2367, 2565, 3419, 3705, 3945, 4997, 5265, 6669, 7101, 7695, 10257, 11115, 11835, 14991, 17095, 20007, 21303, 24985, 30771, 33345, 35505, 44973, 51285, 64961, 74955, 92313, 100035, 106515, 134919, 153855, 194883, 224865, 276939, 324805, 404757, 461565, 584649, 674595, 974415, 1384695, 1753947, 2023785, 2923245, 5261841, 8769735, 26309205]

約数ペア:

[(1, 26309205), (3, 8769735), (5, 5261841), (9, 2923245), (13, 2023785), (15, 1753947), (19, 1384695), (27, 974415), (39, 674595), (45, 584649), (57, 461565), (65, 404757), (81, 324805), (95, 276939), (117, 224865), (135, 194883), (171, 153855), (195, 134919), (247, 106515), (263, 100035), (285, 92313), (351, 74955), (405, 64961), (513, 51285), (585, 44973), (741, 35505), (789, 33345), (855, 30771), (1053, 24985), (1235, 21303), (1315, 20007), (1539, 17095), (1755, 14991), (2223, 11835), (2367, 11115), (2565, 10257), (3419, 7695), (3705, 7101), (3945, 6669), (4997, 5265)]