2016405909

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 3503305728

約数和(自身を除く): 1486899819

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 191, 259, 333, 441, 573, 647, 777, 1337, 1719, 1813, 1941, 2331, 4011, 4529, 5439, 5823, 7067, 9359, 12033, 13587, 16317, 21201, 23939, 28077, 31703, 40761, 49469, 63603, 71817, 84231, 95109, 123577, 148407, 167573, 215451, 285327, 346283, 370731, 445221, 502719, 865039, 1038849, 1112193, 1173011, 1508157, 2595117, 3116547, 3519033, 4572349, 6055273, 7785351, 10557099, 13717047, 18165819, 32006443, 41151141, 54497457, 96019329, 224045101, 288057987, 672135303, 2016405909]

約数ペア:

[(1, 2016405909), (3, 672135303), (7, 288057987), (9, 224045101), (21, 96019329), (37, 54497457), (49, 41151141), (63, 32006443), (111, 18165819), (147, 13717047), (191, 10557099), (259, 7785351), (333, 6055273), (441, 4572349), (573, 3519033), (647, 3116547), (777, 2595117), (1337, 1508157), (1719, 1173011), (1813, 1112193), (1941, 1038849), (2331, 865039), (4011, 502719), (4529, 445221), (5439, 370731), (5823, 346283), (7067, 285327), (9359, 215451), (12033, 167573), (13587, 148407), (16317, 123577), (21201, 95109), (23939, 84231), (28077, 71817), (31703, 63603), (40761, 49469)]