201354951

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 339476480

約数和(自身を除く): 138121529

約数列:

[1, 3, 7, 19, 21, 31, 57, 73, 93, 133, 217, 219, 223, 399, 511, 589, 651, 669, 1387, 1533, 1561, 1767, 2263, 4123, 4161, 4237, 4683, 6789, 6913, 9709, 12369, 12711, 15841, 16279, 20739, 29127, 29659, 42997, 47523, 48391, 48837, 88977, 113953, 128991, 131347, 145173, 300979, 309301, 341859, 394041, 504649, 902937, 919429, 927903, 1513947, 2165107, 2758287, 3532543, 6495321, 9588331, 10597629, 28764993, 67118317, 201354951]

約数ペア:

[(1, 201354951), (3, 67118317), (7, 28764993), (19, 10597629), (21, 9588331), (31, 6495321), (57, 3532543), (73, 2758287), (93, 2165107), (133, 1513947), (217, 927903), (219, 919429), (223, 902937), (399, 504649), (511, 394041), (589, 341859), (651, 309301), (669, 300979), (1387, 145173), (1533, 131347), (1561, 128991), (1767, 113953), (2263, 88977), (4123, 48837), (4161, 48391), (4237, 47523), (4683, 42997), (6789, 29659), (6913, 29127), (9709, 20739), (12369, 16279), (12711, 15841)]