431551233

素因数分解:

$3^6\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:333

約数の個数: 56

約数和(自身を含む): 678753000

約数和(自身を除く): 247201767

約数列:

[1, 3, 9, 27, 29, 81, 87, 137, 149, 243, 261, 411, 447, 729, 783, 1233, 1341, 2349, 3699, 3973, 4023, 4321, 7047, 11097, 11919, 12069, 12963, 20413, 21141, 33291, 35757, 36207, 38889, 61239, 99873, 107271, 108621, 116667, 183717, 321813, 350001, 551151, 591977, 965439, 1050003, 1653453, 1775931, 2896317, 3150009, 4960359, 5327793, 14881077, 15983379, 47950137, 143850411, 431551233]

約数ペア:

[(1, 431551233), (3, 143850411), (9, 47950137), (27, 15983379), (29, 14881077), (81, 5327793), (87, 4960359), (137, 3150009), (149, 2896317), (243, 1775931), (261, 1653453), (411, 1050003), (447, 965439), (729, 591977), (783, 551151), (1233, 350001), (1341, 321813), (2349, 183717), (3699, 116667), (3973, 108621), (4023, 107271), (4321, 99873), (7047, 61239), (11097, 38889), (11919, 36207), (12069, 35757), (12963, 33291), (20413, 21141)]