206815965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{27967}}^1$

素因数の和:28021

約数の個数: 32

約数和(自身を含む): 362465280

約数和(自身を除く): 155649315

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 27967, 83901, 139835, 419505, 475439, 811043, 1426317, 2377195, 2433129, 4055215, 7131585, 12165645, 13787731, 41363193, 68938655, 206815965]

約数ペア:

[(1, 206815965), (3, 68938655), (5, 41363193), (15, 13787731), (17, 12165645), (29, 7131585), (51, 4055215), (85, 2433129), (87, 2377195), (145, 1426317), (255, 811043), (435, 475439), (493, 419505), (1479, 139835), (2465, 83901), (7395, 27967)]