68915889

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 119808000

約数和(自身を除く): 50892111

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 199, 207, 239, 483, 597, 717, 1393, 1449, 1673, 1791, 2151, 4179, 4577, 5019, 5497, 12537, 13731, 15057, 16491, 32039, 38479, 41193, 47561, 49473, 96117, 115437, 142683, 288351, 332927, 346311, 428049, 998781, 1093903, 2996343, 3281709, 7657321, 9845127, 22971963, 68915889]

約数ペア:

[(1, 68915889), (3, 22971963), (7, 9845127), (9, 7657321), (21, 3281709), (23, 2996343), (63, 1093903), (69, 998781), (161, 428049), (199, 346311), (207, 332927), (239, 288351), (483, 142683), (597, 115437), (717, 96117), (1393, 49473), (1449, 47561), (1673, 41193), (1791, 38479), (2151, 32039), (4179, 16491), (4577, 15057), (5019, 13731), (5497, 12537)]