201918909

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 315187200

約数和(自身を除く): 113268291

約数列:

[1, 3, 19, 23, 29, 47, 57, 69, 87, 113, 141, 339, 437, 551, 667, 893, 1081, 1311, 1363, 1653, 2001, 2147, 2599, 2679, 3243, 3277, 4089, 5311, 6441, 7797, 9831, 12673, 15933, 20539, 25897, 31349, 38019, 49381, 61617, 62263, 75371, 77691, 94047, 100909, 122153, 148143, 154019, 186789, 226113, 302727, 366459, 462057, 595631, 1432049, 1786893, 2320907, 2926361, 3542437, 4296147, 6962721, 8779083, 10627311, 67306303, 201918909]

約数ペア:

[(1, 201918909), (3, 67306303), (19, 10627311), (23, 8779083), (29, 6962721), (47, 4296147), (57, 3542437), (69, 2926361), (87, 2320907), (113, 1786893), (141, 1432049), (339, 595631), (437, 462057), (551, 366459), (667, 302727), (893, 226113), (1081, 186789), (1311, 154019), (1363, 148143), (1653, 122153), (2001, 100909), (2147, 94047), (2599, 77691), (2679, 75371), (3243, 62263), (3277, 61617), (4089, 49381), (5311, 38019), (6441, 31349), (7797, 25897), (9831, 20539), (12673, 15933)]