2010450981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3442

約数の個数: 64

約数和(自身を含む): 3481767936

約数和(自身を除く): 1471316955

約数列:

[1, 3, 7, 11, 21, 33, 37, 71, 77, 111, 213, 231, 259, 407, 497, 777, 781, 1221, 1491, 2343, 2627, 2849, 3313, 5467, 7881, 8547, 9939, 16401, 18389, 23191, 28897, 36443, 55167, 69573, 86691, 109329, 122581, 202279, 235223, 255101, 367743, 606837, 705669, 765303, 858067, 1348391, 1646561, 2574201, 2587453, 4045173, 4939683, 7762359, 8703251, 9438737, 18112171, 26109753, 28316211, 54336513, 60922757, 95735761, 182768271, 287207283, 670150327, 2010450981]

約数ペア:

[(1, 2010450981), (3, 670150327), (7, 287207283), (11, 182768271), (21, 95735761), (33, 60922757), (37, 54336513), (71, 28316211), (77, 26109753), (111, 18112171), (213, 9438737), (231, 8703251), (259, 7762359), (407, 4939683), (497, 4045173), (777, 2587453), (781, 2574201), (1221, 1646561), (1491, 1348391), (2343, 858067), (2627, 765303), (2849, 705669), (3313, 606837), (5467, 367743), (7881, 255101), (8547, 235223), (9939, 202279), (16401, 122581), (18389, 109329), (23191, 86691), (28897, 69573), (36443, 55167)]