139668081

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{25679}}^1$

素因数の和:25733

約数の個数: 24

約数和(自身を含む): 222491520

約数和(自身を除く): 82823439

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 25679, 77037, 179753, 539259, 950123, 1258271, 2850369, 3774813, 6650861, 19952583, 46556027, 139668081]

約数ペア:

[(1, 139668081), (3, 46556027), (7, 19952583), (21, 6650861), (37, 3774813), (49, 2850369), (111, 1258271), (147, 950123), (259, 539259), (777, 179753), (1813, 77037), (5439, 25679)]