201666003

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 348364800

約数和(自身を除く): 146698797

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 107, 123, 199, 231, 287, 321, 451, 597, 749, 861, 1177, 1353, 1393, 2189, 2247, 3157, 3531, 4179, 4387, 6567, 8159, 8239, 9471, 13161, 15323, 21293, 24477, 24717, 30709, 45969, 48257, 57113, 63879, 89749, 92127, 144771, 149051, 171339, 234223, 269247, 337799, 447153, 628243, 702669, 873013, 1013397, 1639561, 1884729, 2619039, 4918683, 6111091, 9603143, 18333273, 28809429, 67222001, 201666003]

約数ペア:

[(1, 201666003), (3, 67222001), (7, 28809429), (11, 18333273), (21, 9603143), (33, 6111091), (41, 4918683), (77, 2619039), (107, 1884729), (123, 1639561), (199, 1013397), (231, 873013), (287, 702669), (321, 628243), (451, 447153), (597, 337799), (749, 269247), (861, 234223), (1177, 171339), (1353, 149051), (1393, 144771), (2189, 92127), (2247, 89749), (3157, 63879), (3531, 57113), (4179, 48257), (4387, 45969), (6567, 30709), (8159, 24717), (8239, 24477), (9471, 21293), (13161, 15323)]