16515009

素因数分解:

$3^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 30707040

約数和(自身を除く): 14192031

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 73, 81, 133, 147, 171, 189, 219, 243, 399, 441, 511, 513, 567, 657, 931, 1197, 1323, 1387, 1533, 1539, 1701, 1971, 2793, 3577, 3591, 3969, 4161, 4599, 4617, 5913, 8379, 9709, 10731, 10773, 11907, 12483, 13797, 17739, 25137, 29127, 32193, 32319, 37449, 41391, 67963, 75411, 87381, 96579, 112347, 124173, 203889, 226233, 262143, 289737, 337041, 611667, 786429, 869211, 1835001, 2359287, 5505003, 16515009]

約数ペア:

[(1, 16515009), (3, 5505003), (7, 2359287), (9, 1835001), (19, 869211), (21, 786429), (27, 611667), (49, 337041), (57, 289737), (63, 262143), (73, 226233), (81, 203889), (133, 124173), (147, 112347), (171, 96579), (189, 87381), (219, 75411), (243, 67963), (399, 41391), (441, 37449), (511, 32319), (513, 32193), (567, 29127), (657, 25137), (931, 17739), (1197, 13797), (1323, 12483), (1387, 11907), (1533, 10773), (1539, 10731), (1701, 9709), (1971, 8379), (2793, 5913), (3577, 4617), (3591, 4599), (3969, 4161)]