221336073

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 415584000

約数和(自身を除く): 194247927

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 73, 119, 133, 149, 153, 171, 219, 323, 357, 399, 447, 511, 657, 969, 1043, 1071, 1197, 1241, 1341, 1387, 1533, 2261, 2533, 2831, 2907, 3129, 3723, 4161, 4599, 6783, 7599, 8493, 8687, 9387, 9709, 10877, 11169, 12483, 17731, 19817, 20349, 22797, 23579, 25479, 26061, 29127, 32631, 48127, 53193, 59451, 70737, 76139, 78183, 87381, 97893, 144381, 159579, 165053, 178353, 184909, 206663, 212211, 228417, 336889, 433143, 495159, 554727, 619989, 685251, 1010667, 1294363, 1446641, 1485477, 1664181, 1859967, 3032001, 3513271, 3883089, 4339923, 10539813, 11649267, 13019769, 24592897, 31619439, 73778691, 221336073]

約数ペア:

[(1, 221336073), (3, 73778691), (7, 31619439), (9, 24592897), (17, 13019769), (19, 11649267), (21, 10539813), (51, 4339923), (57, 3883089), (63, 3513271), (73, 3032001), (119, 1859967), (133, 1664181), (149, 1485477), (153, 1446641), (171, 1294363), (219, 1010667), (323, 685251), (357, 619989), (399, 554727), (447, 495159), (511, 433143), (657, 336889), (969, 228417), (1043, 212211), (1071, 206663), (1197, 184909), (1241, 178353), (1341, 165053), (1387, 159579), (1533, 144381), (2261, 97893), (2533, 87381), (2831, 78183), (2907, 76139), (3129, 70737), (3723, 59451), (4161, 53193), (4599, 48127), (6783, 32631), (7599, 29127), (8493, 26061), (8687, 25479), (9387, 23579), (9709, 22797), (10877, 20349), (11169, 19817), (12483, 17731)]