201909561

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 347443200

約数和(自身を除く): 145533639

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 103, 119, 133, 289, 309, 323, 357, 399, 721, 867, 969, 1751, 1957, 2023, 2163, 2261, 4913, 5253, 5491, 5871, 6069, 6783, 12257, 13699, 14739, 16473, 29767, 33269, 34391, 36771, 38437, 41097, 89301, 93347, 99807, 103173, 115311, 208369, 232883, 280041, 506039, 565573, 625107, 653429, 698649, 1518117, 1696719, 1960287, 3542273, 3959011, 9614741, 10626819, 11877033, 28844223, 67303187, 201909561]

約数ペア:

[(1, 201909561), (3, 67303187), (7, 28844223), (17, 11877033), (19, 10626819), (21, 9614741), (51, 3959011), (57, 3542273), (103, 1960287), (119, 1696719), (133, 1518117), (289, 698649), (309, 653429), (323, 625107), (357, 565573), (399, 506039), (721, 280041), (867, 232883), (969, 208369), (1751, 115311), (1957, 103173), (2023, 99807), (2163, 93347), (2261, 89301), (4913, 41097), (5253, 38437), (5491, 36771), (5871, 34391), (6069, 33269), (6783, 29767), (12257, 16473), (13699, 14739)]