200019897

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1435

約数の個数: 72

約数和(自身を含む): 382316480

約数和(自身を除く): 182296583

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 121, 133, 171, 209, 231, 363, 399, 627, 693, 847, 1089, 1197, 1381, 1463, 1881, 2299, 2541, 4143, 4389, 6897, 7623, 9667, 12429, 13167, 15191, 16093, 20691, 26239, 29001, 45573, 48279, 78717, 87003, 106337, 136719, 144837, 167101, 183673, 236151, 288629, 319011, 501303, 551019, 865887, 957033, 1169707, 1503909, 1653057, 2020403, 2597661, 3174919, 3509121, 6061209, 9524757, 10527363, 18183627, 22224433, 28574271, 66673299, 200019897]

約数ペア:

[(1, 200019897), (3, 66673299), (7, 28574271), (9, 22224433), (11, 18183627), (19, 10527363), (21, 9524757), (33, 6061209), (57, 3509121), (63, 3174919), (77, 2597661), (99, 2020403), (121, 1653057), (133, 1503909), (171, 1169707), (209, 957033), (231, 865887), (363, 551019), (399, 501303), (627, 319011), (693, 288629), (847, 236151), (1089, 183673), (1197, 167101), (1381, 144837), (1463, 136719), (1881, 106337), (2299, 87003), (2541, 78717), (4143, 48279), (4389, 45573), (6897, 29001), (7623, 26239), (9667, 20691), (12429, 16093), (13167, 15191)]