47908287

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 86261760

約数和(自身を除く): 38353473

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 103, 107, 161, 189, 207, 309, 321, 483, 621, 721, 749, 927, 963, 1449, 2163, 2247, 2369, 2461, 2781, 2889, 4347, 6489, 6741, 7107, 7383, 11021, 16583, 17227, 19467, 20223, 21321, 22149, 33063, 49749, 51681, 63963, 66447, 77147, 99189, 149247, 155043, 231441, 253483, 297567, 447741, 465129, 694323, 760449, 1774381, 2082969, 2281347, 5323143, 6844041, 15969429, 47908287]

約数ペア:

[(1, 47908287), (3, 15969429), (7, 6844041), (9, 5323143), (21, 2281347), (23, 2082969), (27, 1774381), (63, 760449), (69, 694323), (103, 465129), (107, 447741), (161, 297567), (189, 253483), (207, 231441), (309, 155043), (321, 149247), (483, 99189), (621, 77147), (721, 66447), (749, 63963), (927, 51681), (963, 49749), (1449, 33063), (2163, 22149), (2247, 21321), (2369, 20223), (2461, 19467), (2781, 17227), (2889, 16583), (4347, 11021), (6489, 7383), (6741, 7107)]