71967681

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{10939}}^1$

素因数の和:11005

約数の個数: 24

約数和(自身を含む): 112638240

約数和(自身を除く): 40670559

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 10939, 32817, 98451, 185963, 470377, 557889, 1411131, 1673667, 4233393, 7996409, 23989227, 71967681]

約数ペア:

[(1, 71967681), (3, 23989227), (9, 7996409), (17, 4233393), (43, 1673667), (51, 1411131), (129, 557889), (153, 470377), (387, 185963), (731, 98451), (2193, 32817), (6579, 10939)]