205947819

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 409190400

約数和(自身を除く): 203242581

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 59, 63, 69, 73, 77, 99, 161, 177, 189, 207, 219, 231, 253, 297, 413, 483, 511, 531, 621, 649, 657, 693, 759, 803, 1239, 1357, 1449, 1533, 1593, 1679, 1771, 1947, 1971, 2079, 2277, 2409, 3717, 4071, 4307, 4347, 4543, 4599, 5037, 5313, 5621, 5841, 6831, 7227, 9499, 11151, 11753, 12213, 12921, 13629, 13797, 14927, 15111, 15939, 16863, 17523, 18469, 21681, 28497, 30149, 35259, 36639, 38763, 40887, 44781, 45333, 47377, 47817, 50589, 55407, 85491, 90447, 99061, 104489, 105777, 116289, 122661, 129283, 134343, 142131, 151767, 166221, 256473, 271341, 297183, 313467, 317331, 331639, 387849, 403029, 426393, 498663, 693427, 814023, 891549, 940401, 994917, 1089671, 1163547, 1279179, 2080281, 2674647, 2821203, 2984751, 3269013, 3490641, 6240843, 7627697, 8954253, 9807039, 18722529, 22883091, 29421117, 68649273, 205947819]

約数ペア:

[(1, 205947819), (3, 68649273), (7, 29421117), (9, 22883091), (11, 18722529), (21, 9807039), (23, 8954253), (27, 7627697), (33, 6240843), (59, 3490641), (63, 3269013), (69, 2984751), (73, 2821203), (77, 2674647), (99, 2080281), (161, 1279179), (177, 1163547), (189, 1089671), (207, 994917), (219, 940401), (231, 891549), (253, 814023), (297, 693427), (413, 498663), (483, 426393), (511, 403029), (531, 387849), (621, 331639), (649, 317331), (657, 313467), (693, 297183), (759, 271341), (803, 256473), (1239, 166221), (1357, 151767), (1449, 142131), (1533, 134343), (1593, 129283), (1679, 122661), (1771, 116289), (1947, 105777), (1971, 104489), (2079, 99061), (2277, 90447), (2409, 85491), (3717, 55407), (4071, 50589), (4307, 47817), (4347, 47377), (4543, 45333), (4599, 44781), (5037, 40887), (5313, 38763), (5621, 36639), (5841, 35259), (6831, 30149), (7227, 28497), (9499, 21681), (11151, 18469), (11753, 17523), (12213, 16863), (12921, 15939), (13629, 15111), (13797, 14927)]