228020121

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2683}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 401955840

約数和(自身を除く): 173935719

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 399, 497, 639, 1197, 1349, 1491, 2683, 4047, 4473, 8049, 9443, 12141, 18781, 24147, 28329, 50977, 56343, 84987, 152931, 169029, 190493, 356839, 458793, 571479, 1070517, 1333451, 1714437, 3211551, 3619367, 4000353, 10858101, 12001059, 25335569, 32574303, 76006707, 228020121]

約数ペア:

[(1, 228020121), (3, 76006707), (7, 32574303), (9, 25335569), (19, 12001059), (21, 10858101), (57, 4000353), (63, 3619367), (71, 3211551), (133, 1714437), (171, 1333451), (213, 1070517), (399, 571479), (497, 458793), (639, 356839), (1197, 190493), (1349, 169029), (1491, 152931), (2683, 84987), (4047, 56343), (4473, 50977), (8049, 28329), (9443, 24147), (12141, 18781)]