16520427

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 30750720

約数和(自身を除く): 14230293

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 769, 1023, 1953, 2307, 2387, 3069, 5383, 6921, 7161, 8459, 16149, 21483, 23839, 25377, 48447, 59213, 71517, 76131, 166873, 177639, 214551, 262229, 500619, 532917, 786687, 1501857, 1835603, 2360061, 5506809, 16520427]

約数ペア:

[(1, 16520427), (3, 5506809), (7, 2360061), (9, 1835603), (11, 1501857), (21, 786687), (31, 532917), (33, 500619), (63, 262229), (77, 214551), (93, 177639), (99, 166873), (217, 76131), (231, 71517), (279, 59213), (341, 48447), (651, 25377), (693, 23839), (769, 21483), (1023, 16149), (1953, 8459), (2307, 7161), (2387, 6921), (3069, 5383)]