489393009

素因数分解:

$3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3307}}^1$

素因数の和:3361

約数の個数: 56

約数和(自身を含む): 867754560

約数和(自身を除く): 378361551

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 609, 729, 783, 1701, 1827, 2349, 3307, 5103, 5481, 7047, 9921, 16443, 21141, 23149, 29763, 49329, 69447, 89289, 95903, 147987, 208341, 267867, 287709, 625023, 671321, 803601, 863127, 1875069, 2013963, 2410803, 2589381, 5625207, 6041889, 7768143, 16875621, 18125667, 23304429, 54377001, 69913287, 163131003, 489393009]

約数ペア:

[(1, 489393009), (3, 163131003), (7, 69913287), (9, 54377001), (21, 23304429), (27, 18125667), (29, 16875621), (63, 7768143), (81, 6041889), (87, 5625207), (189, 2589381), (203, 2410803), (243, 2013963), (261, 1875069), (567, 863127), (609, 803601), (729, 671321), (783, 625023), (1701, 287709), (1827, 267867), (2349, 208341), (3307, 147987), (5103, 95903), (5481, 89289), (7047, 69447), (9921, 49329), (16443, 29763), (21141, 23149)]