278080905

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{3011}}^1$

素因数の和:3197

約数の個数: 32

約数和(自身を含む): 458016768

約数和(自身を除く): 179935863

約数列:

[1, 3, 5, 15, 47, 131, 141, 235, 393, 655, 705, 1965, 3011, 6157, 9033, 15055, 18471, 30785, 45165, 92355, 141517, 394441, 424551, 707585, 1183323, 1972205, 2122755, 5916615, 18538727, 55616181, 92693635, 278080905]

約数ペア:

[(1, 278080905), (3, 92693635), (5, 55616181), (15, 18538727), (47, 5916615), (131, 2122755), (141, 1972205), (235, 1183323), (393, 707585), (655, 424551), (705, 394441), (1965, 141517), (3011, 92355), (6157, 45165), (9033, 30785), (15055, 18471)]