81744405

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 133296384

約数和(自身を除く): 51551979

約数列:

[1, 3, 5, 15, 103, 157, 309, 337, 471, 515, 785, 1011, 1545, 1685, 2355, 5055, 16171, 34711, 48513, 52909, 80855, 104133, 158727, 173555, 242565, 264545, 520665, 793635, 5449627, 16348881, 27248135, 81744405]

約数ペア:

[(1, 81744405), (3, 27248135), (5, 16348881), (15, 5449627), (103, 793635), (157, 520665), (309, 264545), (337, 242565), (471, 173555), (515, 158727), (785, 104133), (1011, 80855), (1545, 52909), (1685, 48513), (2355, 34711), (5055, 16171)]