289323459

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 461466720

約数和(自身を除く): 172143261

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 197, 261, 331, 493, 591, 993, 1479, 1773, 2979, 3349, 4437, 5627, 5713, 9599, 10047, 16881, 17139, 28797, 30141, 50643, 51417, 65207, 86391, 97121, 163183, 195621, 291363, 489549, 586863, 874089, 1108519, 1468647, 1891003, 3325557, 5673009, 9976671, 17019027, 32147051, 96441153, 289323459]

約数ペア:

[(1, 289323459), (3, 96441153), (9, 32147051), (17, 17019027), (29, 9976671), (51, 5673009), (87, 3325557), (153, 1891003), (197, 1468647), (261, 1108519), (331, 874089), (493, 586863), (591, 489549), (993, 291363), (1479, 195621), (1773, 163183), (2979, 97121), (3349, 86391), (4437, 65207), (5627, 51417), (5713, 50643), (9599, 30141), (10047, 28797), (16881, 17139)]