201215655

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3169}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 373857120

約数和(自身を除く): 172641465

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 153, 249, 255, 415, 747, 765, 1245, 1411, 3169, 3735, 4233, 7055, 9507, 12699, 15845, 21165, 28521, 47535, 53873, 63495, 142605, 161619, 263027, 269365, 484857, 789081, 808095, 1315135, 2367243, 2424285, 3945405, 4471459, 11836215, 13414377, 22357295, 40243131, 67071885, 201215655]

約数ペア:

[(1, 201215655), (3, 67071885), (5, 40243131), (9, 22357295), (15, 13414377), (17, 11836215), (45, 4471459), (51, 3945405), (83, 2424285), (85, 2367243), (153, 1315135), (249, 808095), (255, 789081), (415, 484857), (747, 269365), (765, 263027), (1245, 161619), (1411, 142605), (3169, 63495), (3735, 53873), (4233, 47535), (7055, 28521), (9507, 21165), (12699, 15845)]