204639747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 326592000

約数和(自身を除く): 121952253

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 89, 107, 247, 267, 321, 377, 551, 741, 1131, 1157, 1391, 1653, 1691, 2033, 2581, 3103, 3471, 4173, 5073, 6099, 7163, 7743, 9309, 9523, 21489, 21983, 26429, 28569, 33553, 40339, 49039, 58957, 65949, 79287, 100659, 121017, 123799, 147117, 176871, 180937, 276167, 371397, 542811, 637507, 766441, 828501, 1912521, 2299323, 2352181, 3590171, 5247173, 7056543, 10770513, 15741519, 68213249, 204639747]

約数ペア:

[(1, 204639747), (3, 68213249), (13, 15741519), (19, 10770513), (29, 7056543), (39, 5247173), (57, 3590171), (87, 2352181), (89, 2299323), (107, 1912521), (247, 828501), (267, 766441), (321, 637507), (377, 542811), (551, 371397), (741, 276167), (1131, 180937), (1157, 176871), (1391, 147117), (1653, 123799), (1691, 121017), (2033, 100659), (2581, 79287), (3103, 65949), (3471, 58957), (4173, 49039), (5073, 40339), (6099, 33553), (7163, 28569), (7743, 26429), (9309, 21983), (9523, 21489)]