378492777

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 645442560

約数和(自身を除く): 266949783

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 137, 153, 221, 351, 411, 459, 463, 663, 1233, 1389, 1781, 1989, 2329, 3699, 4167, 5343, 5967, 6019, 6987, 7871, 12501, 16029, 18057, 20961, 23613, 30277, 48087, 54171, 62883, 63431, 70839, 90831, 102323, 162513, 190293, 212517, 272493, 306969, 570879, 817479, 824603, 920907, 1078327, 1712637, 2473809, 2762721, 3234981, 7421427, 9704943, 14018251, 22264281, 29114829, 42054753, 126164259, 378492777]

約数ペア:

[(1, 378492777), (3, 126164259), (9, 42054753), (13, 29114829), (17, 22264281), (27, 14018251), (39, 9704943), (51, 7421427), (117, 3234981), (137, 2762721), (153, 2473809), (221, 1712637), (351, 1078327), (411, 920907), (459, 824603), (463, 817479), (663, 570879), (1233, 306969), (1389, 272493), (1781, 212517), (1989, 190293), (2329, 162513), (3699, 102323), (4167, 90831), (5343, 70839), (5967, 63431), (6019, 62883), (6987, 54171), (7871, 48087), (12501, 30277), (16029, 23613), (18057, 20961)]