489782391

素因数分解:

$3^1\times 7^4\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 770790384

約数和(自身を除く): 281007993

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 343, 679, 701, 1029, 2037, 2103, 2401, 4753, 4907, 7203, 14259, 14721, 33271, 34349, 67997, 99813, 103047, 203991, 232897, 240443, 475979, 698691, 721329, 1427937, 1683101, 3331853, 5049303, 9995559, 23322971, 69968913, 163260797, 489782391]

約数ペア:

[(1, 489782391), (3, 163260797), (7, 69968913), (21, 23322971), (49, 9995559), (97, 5049303), (147, 3331853), (291, 1683101), (343, 1427937), (679, 721329), (701, 698691), (1029, 475979), (2037, 240443), (2103, 232897), (2401, 203991), (4753, 103047), (4907, 99813), (7203, 67997), (14259, 34349), (14721, 33271)]