15825159

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 28794880

約数和(自身を除く): 12969721

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 63, 73, 93, 111, 189, 217, 219, 259, 279, 333, 511, 651, 657, 777, 837, 999, 1147, 1533, 1953, 1971, 2263, 2331, 2701, 3441, 4599, 5859, 6789, 6993, 8029, 8103, 10323, 13797, 15841, 18907, 20367, 24087, 24309, 30969, 47523, 56721, 61101, 72261, 72927, 83731, 142569, 170163, 216783, 251193, 427707, 510489, 586117, 753579, 1758351, 2260737, 5275053, 15825159]

約数ペア:

[(1, 15825159), (3, 5275053), (7, 2260737), (9, 1758351), (21, 753579), (27, 586117), (31, 510489), (37, 427707), (63, 251193), (73, 216783), (93, 170163), (111, 142569), (189, 83731), (217, 72927), (219, 72261), (259, 61101), (279, 56721), (333, 47523), (511, 30969), (651, 24309), (657, 24087), (777, 20367), (837, 18907), (999, 15841), (1147, 13797), (1533, 10323), (1953, 8103), (1971, 8029), (2263, 6993), (2331, 6789), (2701, 5859), (3441, 4599)]