80508735

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1451}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 145472976

約数和(自身を除く): 64964241

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 685, 1233, 1451, 2055, 3699, 4353, 6165, 7255, 11097, 13059, 18495, 21765, 39177, 55485, 65295, 117531, 195885, 198787, 587655, 596361, 993935, 1789083, 2981805, 5367249, 8945415, 16101747, 26836245, 80508735]

約数ペア:

[(1, 80508735), (3, 26836245), (5, 16101747), (9, 8945415), (15, 5367249), (27, 2981805), (45, 1789083), (81, 993935), (135, 596361), (137, 587655), (405, 198787), (411, 195885), (685, 117531), (1233, 65295), (1451, 55485), (2055, 39177), (3699, 21765), (4353, 18495), (6165, 13059), (7255, 11097)]