280549305

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8623}}^1$

素因数の和:8878

約数の個数: 32

約数和(自身を含む): 500881920

約数和(自身を除く): 220332615

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 723, 1205, 2169, 3615, 6507, 8623, 10845, 25869, 32535, 43115, 77607, 129345, 232821, 388035, 1164105, 2078143, 6234429, 10390715, 18703287, 31172145, 56109861, 93516435, 280549305]

約数ペア:

[(1, 280549305), (3, 93516435), (5, 56109861), (9, 31172145), (15, 18703287), (27, 10390715), (45, 6234429), (135, 2078143), (241, 1164105), (723, 388035), (1205, 232821), (2169, 129345), (3615, 77607), (6507, 43115), (8623, 32535), (10845, 25869)]