28777203

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 52468416

約数和(自身を除く): 23691213

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 819, 857, 861, 1599, 2571, 2583, 3731, 4797, 5999, 7713, 11141, 11193, 17997, 33423, 33579, 35137, 53991, 77987, 100269, 105411, 233961, 245959, 316233, 456781, 701883, 737877, 1370343, 2213631, 3197467, 4111029, 9592401, 28777203]

約数ペア:

[(1, 28777203), (3, 9592401), (7, 4111029), (9, 3197467), (13, 2213631), (21, 1370343), (39, 737877), (41, 701883), (63, 456781), (91, 316233), (117, 245959), (123, 233961), (273, 105411), (287, 100269), (369, 77987), (533, 53991), (819, 35137), (857, 33579), (861, 33423), (1599, 17997), (2571, 11193), (2583, 11141), (3731, 7713), (4797, 5999)]