205484865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 370344960

約数和(自身を除く): 164860095

約数列:

[1, 3, 5, 15, 17, 29, 37, 51, 85, 87, 111, 145, 185, 255, 435, 493, 555, 629, 751, 1073, 1479, 1887, 2253, 2465, 3145, 3219, 3755, 5365, 7395, 9435, 11265, 12767, 16095, 18241, 21779, 27787, 38301, 54723, 63835, 65337, 83361, 91205, 108895, 138935, 191505, 273615, 326685, 370243, 416805, 472379, 805823, 1110729, 1417137, 1851215, 2361895, 2417469, 4029115, 5553645, 7085685, 12087345, 13698991, 41096973, 68494955, 205484865]

約数ペア:

[(1, 205484865), (3, 68494955), (5, 41096973), (15, 13698991), (17, 12087345), (29, 7085685), (37, 5553645), (51, 4029115), (85, 2417469), (87, 2361895), (111, 1851215), (145, 1417137), (185, 1110729), (255, 805823), (435, 472379), (493, 416805), (555, 370243), (629, 326685), (751, 273615), (1073, 191505), (1479, 138935), (1887, 108895), (2253, 91205), (2465, 83361), (3145, 65337), (3219, 63835), (3755, 54723), (5365, 38301), (7395, 27787), (9435, 21779), (11265, 18241), (12767, 16095)]