1990198089

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{4799}}^1$

素因数の和:4946

約数の個数: 48

約数和(自身を含む): 3234816000

約数和(自身を除く): 1244617911

約数列:

[1, 3, 9, 11, 33, 59, 71, 99, 177, 213, 531, 639, 649, 781, 1947, 2343, 4189, 4799, 5841, 7029, 12567, 14397, 37701, 43191, 46079, 52789, 138237, 158367, 283141, 340729, 414711, 475101, 849423, 1022187, 2548269, 3066561, 3114551, 3748019, 9343653, 11244057, 20103011, 28030959, 33732171, 60309033, 180927099, 221133121, 663399363, 1990198089]

約数ペア:

[(1, 1990198089), (3, 663399363), (9, 221133121), (11, 180927099), (33, 60309033), (59, 33732171), (71, 28030959), (99, 20103011), (177, 11244057), (213, 9343653), (531, 3748019), (639, 3114551), (649, 3066561), (781, 2548269), (1947, 1022187), (2343, 849423), (4189, 475101), (4799, 414711), (5841, 340729), (7029, 283141), (12567, 158367), (14397, 138237), (37701, 52789), (43191, 46079)]