208417275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 411562944

約数和(自身を除く): 203145669

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 107, 165, 225, 275, 321, 495, 535, 787, 825, 963, 1177, 1605, 2361, 2475, 2675, 3531, 3935, 4815, 5885, 7083, 8025, 8657, 10593, 11805, 17655, 19675, 24075, 25971, 29425, 35415, 43285, 52965, 59025, 77913, 84209, 88275, 129855, 177075, 216425, 252627, 264825, 389565, 421045, 649275, 757881, 926299, 1263135, 1947825, 2105225, 2778897, 3789405, 4631495, 6315675, 8336691, 13894485, 18947025, 23157475, 41683455, 69472425, 208417275]

約数ペア:

[(1, 208417275), (3, 69472425), (5, 41683455), (9, 23157475), (11, 18947025), (15, 13894485), (25, 8336691), (33, 6315675), (45, 4631495), (55, 3789405), (75, 2778897), (99, 2105225), (107, 1947825), (165, 1263135), (225, 926299), (275, 757881), (321, 649275), (495, 421045), (535, 389565), (787, 264825), (825, 252627), (963, 216425), (1177, 177075), (1605, 129855), (2361, 88275), (2475, 84209), (2675, 77913), (3531, 59025), (3935, 52965), (4815, 43285), (5885, 35415), (7083, 29425), (8025, 25971), (8657, 24075), (10593, 19675), (11805, 17655)]