128545209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 207427584

約数和(自身を除く): 78882375

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 127, 211, 369, 381, 533, 633, 1143, 1599, 1651, 1899, 2743, 4797, 4953, 5207, 8229, 8651, 14859, 15621, 24687, 25953, 26797, 46863, 67691, 77859, 80391, 112463, 203073, 241173, 337389, 348361, 609219, 1012167, 1045083, 1098677, 3135249, 3296031, 9888093, 14282801, 42848403, 128545209]

約数ペア:

[(1, 128545209), (3, 42848403), (9, 14282801), (13, 9888093), (39, 3296031), (41, 3135249), (117, 1098677), (123, 1045083), (127, 1012167), (211, 609219), (369, 348361), (381, 337389), (533, 241173), (633, 203073), (1143, 112463), (1599, 80391), (1651, 77859), (1899, 67691), (2743, 46863), (4797, 26797), (4953, 25953), (5207, 24687), (8229, 15621), (8651, 14859)]