56709471

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 102011520

約数和(自身を除く): 45302049

約数列:

[1, 3, 7, 13, 19, 21, 29, 39, 57, 87, 91, 133, 169, 203, 247, 273, 377, 399, 507, 551, 609, 741, 841, 1131, 1183, 1653, 1729, 2523, 2639, 3211, 3549, 3857, 4901, 5187, 5887, 7163, 7917, 9633, 10933, 11571, 14703, 15979, 17661, 21489, 22477, 32799, 34307, 47937, 50141, 67431, 76531, 93119, 102921, 111853, 142129, 150423, 207727, 229593, 279357, 335559, 426387, 623181, 651833, 994903, 1454089, 1955499, 2700451, 2984709, 4362267, 8101353, 18903157, 56709471]

約数ペア:

[(1, 56709471), (3, 18903157), (7, 8101353), (13, 4362267), (19, 2984709), (21, 2700451), (29, 1955499), (39, 1454089), (57, 994903), (87, 651833), (91, 623181), (133, 426387), (169, 335559), (203, 279357), (247, 229593), (273, 207727), (377, 150423), (399, 142129), (507, 111853), (551, 102921), (609, 93119), (741, 76531), (841, 67431), (1131, 50141), (1183, 47937), (1653, 34307), (1729, 32799), (2523, 22477), (2639, 21489), (3211, 17661), (3549, 15979), (3857, 14703), (4901, 11571), (5187, 10933), (5887, 9633), (7163, 7917)]