201821067

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4560

約数の個数: 48

約数和(自身を含む): 358944768

約数和(自身を除く): 157123701

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 651, 713, 1449, 1953, 2139, 4493, 4991, 6417, 13479, 14973, 31451, 40437, 44919, 94353, 103339, 139283, 283059, 310017, 417849, 723373, 930051, 974981, 1253547, 2170119, 2924943, 3203509, 6510357, 8774829, 9610527, 22424563, 28831581, 67273689, 201821067]

約数ペア:

[(1, 201821067), (3, 67273689), (7, 28831581), (9, 22424563), (21, 9610527), (23, 8774829), (31, 6510357), (63, 3203509), (69, 2924943), (93, 2170119), (161, 1253547), (207, 974981), (217, 930051), (279, 723373), (483, 417849), (651, 310017), (713, 283059), (1449, 139283), (1953, 103339), (2139, 94353), (4493, 44919), (4991, 40437), (6417, 31451), (13479, 14973)]