16209963

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 31781376

約数和(自身を除く): 15571413

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 113, 161, 189, 207, 231, 253, 297, 339, 483, 567, 621, 693, 759, 791, 891, 1017, 1243, 1449, 1771, 1863, 2079, 2277, 2373, 2599, 3051, 3729, 4347, 5313, 6237, 6831, 7119, 7797, 8701, 9153, 11187, 13041, 15939, 18193, 20493, 21357, 23391, 26103, 28589, 33561, 47817, 54579, 64071, 70173, 78309, 85767, 100683, 143451, 163737, 200123, 210519, 234927, 257301, 491211, 600369, 704781, 771903, 1473633, 1801107, 2315709, 5403321, 16209963]

約数ペア:

[(1, 16209963), (3, 5403321), (7, 2315709), (9, 1801107), (11, 1473633), (21, 771903), (23, 704781), (27, 600369), (33, 491211), (63, 257301), (69, 234927), (77, 210519), (81, 200123), (99, 163737), (113, 143451), (161, 100683), (189, 85767), (207, 78309), (231, 70173), (253, 64071), (297, 54579), (339, 47817), (483, 33561), (567, 28589), (621, 26103), (693, 23391), (759, 21357), (791, 20493), (891, 18193), (1017, 15939), (1243, 13041), (1449, 11187), (1771, 9153), (1863, 8701), (2079, 7797), (2277, 7119), (2373, 6831), (2599, 6237), (3051, 5313), (3729, 4347)]