280554057

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11161}}^1$

素因数の和:11203

約数の個数: 48

約数和(自身を含む): 508987200

約数和(自身を除く): 228433143

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3591, 8379, 11161, 25137, 33483, 78127, 100449, 212059, 234381, 301347, 546889, 636177, 703143, 1484413, 1640667, 1908531, 2109429, 4453239, 4922001, 5725593, 10390891, 13359717, 14766003, 31172673, 40079151, 93518019, 280554057]

約数ペア:

[(1, 280554057), (3, 93518019), (7, 40079151), (9, 31172673), (19, 14766003), (21, 13359717), (27, 10390891), (49, 5725593), (57, 4922001), (63, 4453239), (133, 2109429), (147, 1908531), (171, 1640667), (189, 1484413), (399, 703143), (441, 636177), (513, 546889), (931, 301347), (1197, 234381), (1323, 212059), (2793, 100449), (3591, 78127), (8379, 33483), (11161, 25137)]