201640803

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 344171520

約数和(自身を除く): 142530717

約数列:

[1, 3, 7, 13, 21, 39, 43, 89, 91, 129, 193, 267, 273, 301, 559, 579, 623, 903, 1157, 1351, 1677, 1869, 2509, 3471, 3827, 3913, 4053, 7527, 8099, 8299, 11481, 11739, 17177, 17563, 24297, 24897, 26789, 49751, 51531, 52689, 58093, 80367, 107887, 120239, 149253, 174279, 223301, 323661, 348257, 360717, 669903, 738611, 755209, 1044771, 1563107, 2215833, 2265627, 4689321, 5170277, 9601943, 15510831, 28805829, 67213601, 201640803]

約数ペア:

[(1, 201640803), (3, 67213601), (7, 28805829), (13, 15510831), (21, 9601943), (39, 5170277), (43, 4689321), (89, 2265627), (91, 2215833), (129, 1563107), (193, 1044771), (267, 755209), (273, 738611), (301, 669903), (559, 360717), (579, 348257), (623, 323661), (903, 223301), (1157, 174279), (1351, 149253), (1677, 120239), (1869, 107887), (2509, 80367), (3471, 58093), (3827, 52689), (3913, 51531), (4053, 49751), (7527, 26789), (8099, 24897), (8299, 24297), (11481, 17563), (11739, 17177)]